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“All I ask is that you guide these open minds with virtue, care, and sincerity.”
—Rhea's instruction to Byleth upon choosing a House.

Rhea is a character in Fire Emblem: Three Houses and Fire Emblem Warriors: Three Hopes. She is the archbishop and supreme leader of the Church of Seiros. At Garreg Mach Monastery, Rhea can help Byleth increase their rank in Reason, Faith, Brawling, and Swords. She possesses a Major Crest of Seiros.

Profile[]

Rhea is the Archbishop of the Church of Seiros and leader of the Knights of Seiros as a result. She was previously Jeralt's superior when he was Captain of the Knights of Seiros until he left her employ in Wyvern Moon 1159. She serves as a key figure for the Officers Academy as well, assigning missions to the three houses each month.

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Rhea is actually a Nabatean, one of the original children of the progenitor god Sothis. She is also Seiros herself, the saint who founded the Church of Seiros, defeated Nemesis, and helped found the Adrestian Empire. Seiros was a name she chose when carrying out these tasks, rather than her real name.

In the ancient past, the Children of the Goddess were born of Sothis' blood after she arrived in Fódlan. She and the other children coexisted with the native Agarthans and shared their knowledge with them, leading their shared civilization to become technologically advanced and prosperous. The Agarthans enacted various wars among themselves, eventually thinking of themselves as gods and turning on Sothis to kill her and the other Nabateans. Eventually, Sothis and the Nabateans defeated the Agarthans, but the war devastated Fódlan, and left most of the humans dead. However, remnants of the Agarthans fled into hiding underground, leading to the formation of Those Who Slither in the Dark.

Centuries or perhaps even a millennia later (it took a very long time for Sothis to restore Fódlan), Those Who Slither in the Dark convinced Nemesis, a bandit, to invade the Holy Tomb, where Sothis was sleeping after exhausting herself healing the land from the by-then ancient war, in order to steal her body. From Sothis' body, Those Who Slither in the Dark supplied Nemesis with her Crest of Flames and the Sword of the Creator. Armed with the relic, Nemesis returned to Zanado to massacre the Nabateans living there to make Heroes' Relics and Crests from their bodies. Rhea was the only survivor of the massacre and was left as one of the few surviving Nabateans.

Desperate for revenge, Rhea, now calling herself Seiros, wandered the lands looking for allies to oppose Nemesis and his forces. She allied with her fellow survivors (whose human forms came to be known as the Four Saints) and Wilhelm I, to whom she granted her Crest, to oppose Nemesis in the War of Heroes, eventually killing Nemesis in battle at the Tailtean Plains and leading to the creation of the Adrestian Empire and the extended influence of the Church of Seiros with her as its head. The Church rewrote history, hiding the existence of the Children of the Goddess, Agarthans, and the true origin of Crests and Relics, and revising the origins and allegiances of Nemesis and his Crest-wielding allies, the Ten Elites. Rhea did this in the hope of maintaining peace and tried to guide Fódlan as her mother would, but she never saw herself as adequate for the role.

Still awash with grief at the death of Sothis, Rhea secretly devoted herself to experimenting on implanting her mother's crest stone into created bodies in an attempt to revive her. Her twelfth creation, Sitri, also a failure, had fallen in love with a man named Jeralt, the captain of her Knights of Seiros, and one of the persons whom Rhea had transfused her blood into after he took a near-fatal blow for her. This resulted in him inheriting a Major Crest of Seiros.

Sitri and Jeralt eventually produced a child; however, upon its birth, both Sitri and the child were weak and near death. As both were destined to die, Sitri pleaded for Rhea to implant her Crest of Flames into her child. Acquiescing to Sitri's dying wish, Rhea implanted the Crest Stone into the child, Byleth, reviving them at the cost of Sitri's life. Jeralt grew suspicious of Rhea due to the circumstances of his wife's death and Byleth's condition, who had a pulse but no heartbeat. Having lost his faith in her (questioning if Sitri really died in childbirth) and fearful of what Rhea might be planning, he used a fire to fake Byleth's death. With the loss of his wife and child, Jeralt left the order of the Knights without a word, secretly smuggling Byleth with him. It is unclear if Rhea believed Jeralt's ruse at the time of his disappearance, but it's implied she figured it out at least as soon as she saw Byleth as an adult (and after Jeralt's death reveals to Byleth that she knows what Jeralt did and at least part of why he did it).

"End of spoilers. It's a pleasure doing business with you!"

Three Houses[]

Academy Phase[]

Years later in 1180, when Jeralt returned to Rhea at Garreg Mach Monastery after saving Edelgard, Dimitri, and Claude, Rhea asks for his child, Byleth, to be a new professor at the monastery.

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Rhea's true motive for this move was to keep an eye on the new professor in hope that Byleth would be able to eventually merge with Sothis in both mind and body, in effect reviving the progenitor god and enabling her to guide Fódlan once more. After Byleth's power fuses with that of Sothis, Rhea brings them to the Holy Tomb, hoping to complete the transformation (namely to add Sothis' consciousness to Byleth's). However, her plans are shattered when Sothis does not revive and the tomb is invaded by the Flame Emperor and Adrestian Empire forces.

The Imperial Army begins looting the tombs, prompting Rhea to order Byleth and their students to defend them from the thieves. Upon discovering that the Flame Emperor is actually Edelgard, Rhea orders Byleth to kill them, seeing her as a threat to Fódlan.

Depending on the house chosen, Rhea's involvement in the story drastically changes.

"End of spoilers. It's a pleasure doing business with you!"

Azure Moon/Verdant Wind/Silver Snow[]
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In all routes but the Black Eagles, Byleth by default allies with the Church of Seiros and opposes Edelgard and the Adrestian Empire. If the Black Eagles were taught, Byleth still sides with Rhea unless certain supports and events with Edelgard were completed, in which case they may choose to protect Edelgard instead.

If Byleth sides with Rhea, she is grateful for their loyalty and requests their help in the initial defense of the Monastery against the Adrestian Empire's invasion. Despite the failure of Sothis being revived in the way she had expected, she still believes that Byleth is in a sense Sothis, and tells them that if anything happens to her in the coming battle, she is entrusting the future of Fódlan to them. She also asks Seteth and Flayn to help Byleth and in effect Sothis. Although they are successful in repelling the initial attack, an even larger army commanded by Lord Arundel arrives. Rhea orders Byleth to remain behind as she transforms into the Immaculate One, using her magic to clear the infantry, but soon three Demonic Beasts appear and overwhelm her with coordinated attacks.

Seeing Rhea in danger prompts Byleth to come and attempt to assist, much to Rhea's surprise as she ordered them to stay behind. Together they fight off the beasts, however, Thales then appears and launches a magic shockwave that sends Byleth careening into the ravine below, and Rhea roars mournfully as she is restrained by a remaining beast, believing Byleth to have been killed.

In all these routes Rhea is captured alive and kept confined in a weakened, unhealthy state in Enbarr. In the DLC, it is revealed Edelgard kept her alive in hopes of using her as a weapon against the Agarthans after the war to unite/conquer Fódlan is over.

"End of spoilers. It's a pleasure doing business with you!"

Crimson Flower[]
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Byleth, desiring to protect Edelgard after learning about her past, defies Rhea's order to execute Edelgard, much to Rhea's outrage. Proclaiming them to be a taint upon the Holy Tomb and refusing to let her enemies use Sothis' power, Rhea transforms into the Immaculate One, but Byleth and Edelgard are able to escape with Hubert's assistance.

"End of spoilers. It's a pleasure doing business with you!"

Cindered Shadows[]

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As the party explores Abyss, Rhea reveals that she knows of the Chalice of Beginnings and discloses Sitri's dying wish to give Byleth her heart, but does not disclose that she herself as Seiros used it for the Rite of Rising or that Sitri was a creation of hers.

It is also revealed that Rhea had put Yuri in Abyss to keep an eye on Aelfric, who had been acting strange in recent years. This was due to Rhea's inability to bury Sitri, instead having planned a fake burial, moving her body into the Abyss, who Aelfric discovered five years after founding the Ashen Wolves. Upon learning that Aelfric intended to use the Chalice of Beginnings and the blood of the Four Apostles to revive Sitri, Rhea and the others are able to locate Aelfric due to Yuri's assistance. She pleads with him to stop, but her pleas are unheard as Aelfric proceeds with the interrupted ritual, transforming into an Umbral Beast in the process. Rhea then orders Byleth and the others to take the Umbral Beast down before it could cause further damage.

Once the Umbral Beast is dispatched of, Rhea apologizes to the Ashen Wolves, as they had lost their true purpose, deciding to dissolve it.

"End of spoilers. It's a pleasure doing business with you!"

War Phase[]

Azure Moon[]
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In the aftermath of the Fall of Garreg Mach Monastery, Rhea is captured by the Adrestian Empire, forcing the Knights of Seiros to join Byleth's forces to rescue her. After Edelgard's death, Rhea is found alive but severely weakened. She steps down to live in seclusion in Zanado while Byleth takes over her role as Archbishop of the Church of Seiros.

"End of spoilers. It's a pleasure doing business with you!"

Verdant Wind[]
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When the Alliance defeats Edelgard and takes Enbarr, Rhea is found alive but severely weakened. Claude is full of questions and urges Rhea to unveil whatever secrets she has been hiding; Rhea recounts a little of Fódlan's true history, but continues to withhold many details. Knowing that she needs to recuperate, they return Rhea to Garreg Mach Monastery where she is put on bedrest. Having received information from Hubert after his death, Byleth and Claude decide to carry on Edelgard's goal of destroying Those Who Slither in the Dark.

Rhea then accompanies Byleth and Claude as they travel to Shambhala and defeat Thales, the leader of Those Who Slither in the Dark. In his desperation, Thales launches several Javelins of Light in hopes of killing Byleth, Rhea and their forces. With no other options, Rhea transforms into the Immaculate One and intercepts most of the Javelins, but is gravely injured in doing so. Barely alive, and unsure of how much time she has left, Rhea freely gives Claude and Byleth information, including the origins of Those Who Slither in the Dark, the creation of the Heroes Relics and the Crests, especially the Sword of the Creator and the Crest of Flames who was made from Sothis' bones and heart. She also admits that not only is she the Immaculate One, but also Seiros herself. Finally, she reveals that after slaying Nemesis, she took the Crest of Flames from him in hopes of reviving her mother, the same crest that Byleth possesses, which allows them to use the Sword of the Creator. Stating that she no longer wishes to use Byleth to resurrect her, she pleads with Byleth and Claude to stop the newly revived Nemesis who was unleashed after the fall of Those who Slither in the Dark.

It is left unclear what happens to Rhea after the events of Verdant Wind, but given that Catherine's ending on this route is the same as her ending in Silver Snow if Rhea dies and Byleth still becomes the new sovereign of Fódlan, it is implied she ends up succumbing to her wounds.

"End of spoilers. It's a pleasure doing business with you!"

Silver Snow[]
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Rhea's involvement in this route is mostly similar to Verdant Wind, but instead of Claude, it is Seteth who urges her to reveal the secrets she had been keeping after she is rescued. Rhea also accompanies Byleth as they confront and defeat Thales, and is still gravely injured attempting to shield Byleth's forces from Agarthan missiles in her dragon form. After her return to the monastery, sensing she hasn't got much time left, Rhea decides to tell Byleth the true circumstances of their birth, after which she apologizes to them, saying she only wished to see her mother again. She then groans in pain and goes berserk, with Seteth surmising that the strain of her long imprisonment and injury from the Javelins of Light has affected her body and mind so much that she lost control of her powers. A final battle ensues, with Byleth's army, consisting of former Black Eagles, the Knights of Seiros and Seteth and Flayn on one side, and a crazed Immaculate One on the other, with the most loyal of Church officials and frenzied soldiers at her side. Seteth declares that Rhea needs to be stopped, or else she will pose a danger to all of Fódlan. After Rhea is defeated, she flies away to the Cathedral at Garreg Mach, Byleth following closely behind. Inside, she reverts back to her old form and looks at Byleth, who appears as her mother to her. Glad to have seen Sothis one more time, she dies in Byleth's arms.

If Byleth has obtained an A-rank support with Rhea, she ends up surviving the battle, but decides to step down, entrusting the rule of Fódlan to Byleth, who becomes the new sovereign of a united kingdom. Alternatively, if Byleth S-supported her before the final battle, she stays on as archbishop and supports Byleth as the new sovereign. Together they ensure Fódlan remains at peace.

"End of spoilers. It's a pleasure doing business with you!"

Crimson Flower[]
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Upon the Empire's declaration of war against the Church, Edelgard leads the Imperial Army and Black Eagle Strike Force to Garreg Mach to obtain a political advantage. Rhea deploys the Knights of Seiros to defend the monastery, but her attempt fails and the monastery is overrun. Desperate to change the tide of battle, she transforms into the Immaculate One in front of Byleth, before proceeding to launch a blast of energy to collapse the monastery on top of them.

Rhea then flees to the Holy Kingdom of Faerghus and builds her forces in alliance with Dimitri. She eventually forms a plan to retake the monastery by attacking with a main force, while a secondary expedition force led by Seteth would secure the monastery from the sides. This plan fails however, as Seteth's force is intercepted and routed by the Black Eagle Strike Force, while the main army is unable to breach through the Empire's fortifications.

Following this defeat, she is informed that Seteth and Flayn have withdrawn from her cause (or their deaths if they were killed); if they withdrew, she makes no effort to force them back in. If they were killed, she furiously curses Byleth's name. Vowing to destroy Byleth, she returns to Fhirdiad. At the castle, she discusses her next plan of action with Dimitri, where they agree to intercept the Black Eagle Strike Force at the Tailtean Plains, to put them into a pincer trap. However, poor weather delays Rhea and her knights from arriving on time, forcing the Kingdom to fight alone at first. Upon arriving, she curses herself for her tardiness, stating that she has an opportunity to destroy the "fallen one" (Byleth). Should Rhea be defeated first, she and the rest of the Knights are forced to retreat, though the Altered Golems they brought along remain on the battlefield. Regardless, the pincer trap falls apart and Dimitri is killed. Rhea tries to motivate her fellow Knights as they retreat to Fhirdiad, using the remnants of the deployed Kingdom Army to escape.

Upon arriving at Fhirdiad, Edelgard orders Rhea and the Church to surrender. Catherine asks her if they should remass their forces and fight another day, but Rhea orders both her and Cyril to torch the city, transforming into the Immaculate One, intending to show Byleth and Edelgard the true meaning of torment. She is supported by several Golems, along with the remnants of her Knights and Kingdom soldiers. Despite her power, she is eventually killed by Byleth and Edelgard. With her death, the Crest of Flames dissipates from Byleth's heart. While they lose the power of Sothis, their heart beats for the first time, restoring their humanity.

"End of spoilers. It's a pleasure doing business with you!"

Warriors: Three Hopes[]

After Shez aids the house leaders in thwarting a bandit attack, they are brought to Garreg Mach Monastery, where they are granted an audience with Rhea. Rhea offers Shez the opportunity to enroll in the Officers Academy as a student in the house of their choice, though Arval suspects that this offer was made in part to keep Shez under observation, and is not an offer that can be turned down.

After Shez's enrollment into the Academy, Rhea is convinced by Edelgard to lend her support in ousting Lord Arundel from the Empire, using Tomas' treachery as an example. Around the same time, Rhea summons Dimitri to inform him of his uncle Rufus seizing control of Fhirdiad, and orders Gilbert to accompany Dimitri to Fhirdiad in order to suppress the insurrection.

In light of the succession crisis in Faerghus, the coup in Adrestia, and a subsequent attempted Almyran invasion of Leicester, Rhea closes the Officers Academy and sends the few remaining students home.

Two years later, after Edelgard declares war on the Central Church, Rhea is driven into exile in Faerghus as the Empire conquers Garreg Mach. Arriving in Faerghus, she agrees to lend her military aid to the Kingdom.

Rhea is subsequently fought in both Scarlet Blaze and Golden Wildfire, since both the Empire and newly-formed Leicester Federation oppose the Church and want to rid Fódlan of Rhea and the Church of Seiros' power. In Scarlet Blaze, after Edelgard's forces move to defend Garreg Mach, Rhea appears as Seiros and temporarily as the Immaculate One to defeat the Empire personally. However, Thales appears towards the end of the battle, resulting in both of them focusing their attacks on each other instead. At the end of the fight, Thales and Rhea appear to have killed each other, their combined attacks destroying the bridge they were standing on and both of them falling (presumably) to their death. In the epilogue it is confirmed, however, that Edelgard was unable to recover their bodies, meaning their is a possibility that either or both of them could have survived.

In Golden Wildfire, Rhea appears as the Immaculate One in the final battle to try and defeat Claude and his troops. She fails, however, and after a tough battle is killed by Shez and Claude. This makes Golden Wildfire the only route in Three Hopes where Rhea is confirmed to have died by the end of it.

She becomes an ally of the Kingdom army in Azure Gleam, sending Seteth, Flayn and Catherine to fight with Dimitri's forces in the conflict against the Empire. She herself spends most of her time hiding away in a safe haven close to Fhirdiad, and only appears sporadically throughout the story to support Shez and their allies. She greets Shez and Dimitri after the latter kills Thales at the end of Azure Gleam, celebrating the defeat of the Empire. Whether she stays on as archbishop or steps down, like her Azure Moon counterpart in Three Houses, is unknown.

Personality[]

Rhea is what one would expect of a head of a church: benevolent, kind, and compassionate. While she is such to the devout followers of the church and the students and faculty of the Officers Academy, she is ruthless towards those who would the church. That is not to say that she forces any under her service to be devout followers, as she is quite accepting of other people's ideologies such as Shamir and Cyril, but any who oppose the church with violence are responded to in kind, with Rhea labeling her retaliation as justice. When suffering defeats or misfortunes, she interprets it as judgment of the Goddess.

However, despite her position and many followers, Rhea is seemingly lonely, with several of her tea time and advice box questions having her admit she wants to interact with others and finds she has little to no time to relax in peace. She is particularly comfortable and friendly with Byleth during her interactions with them, as she repeatedly insists to them throughout their supports to not think of her as Rhea the Archbishop, but just Rhea, believing Byleth is the only person she can talk to as herself.

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Deeply tormented by her mother's death, Rhea is obsessed with the idea of resurrecting her, in part as a way to heal from her own suffering and return to the life she once knew. She also displays rather dishonest behavior, having rewritten Fódlan's history to help her influence it, albeit with the desire to maintain peace. That, combined with her inability to trust others fully, led to many of the events being both directly and indirectly caused by her. The most notable example is the fact that she knew that there was a mysterious group opposing her behind the scenes (albeit unaware of their connection to the Agarthans) but doesn't tell anyone any details she might have beyond that until after she is rescued in the war phase of the game, if at all. Her secrecy in particular causes some of those personally close or loyal to her, such as Jeralt, Aelfric and Seteth, to be cautious and wary of her. In Crimson Flower, even the more religious students begin to believe she's been abusing her power for her own agenda, with Mercedes pointing out that Sothis would be very disappointed if she knew what Rhea had done with the Church, while Marianne is disgusted at the lengths Rhea would go to use her power and influence - though in this route, both girls are only aware of Edelgard's belief of what is happening and an incomplete version of what is happening behind the scenes. In Verdant Wind, Claude, who is normally cool and collected, temporarily snaps in a moment of anger after Rhea keeps hiding numerous secrets from the people of Fódlan when everything she lied about is falling down around them.

As a survivor from Zanado, Rhea harbored resentment towards humanity, despite only Nemesis and his allies committing the genocide. During her time as Seiros, Rhea fervently believed that humanity cannot lead itself to peace and prosperity without the influence of the Church and the rule of Sothis, with Seiros in a conversation in Heroes admitting that she sees humanity as frail, ignorant creatures that cannot achieve anything without aid. She appears to have softened this view by the events of Three Houses/Hopes, and especially towards the end of most routes, acknowledging that Byleth does not need to become Sothis and that it is who they are and their accomplishments that make them fit to rule.

In Crimson Flower, where Byleth, the bearer of Sothis' crest stone and consciousness, chooses to protect Edelgard instead of killing her, Rhea's kindness completely disappears and she snaps at this "betrayal", believing the action of protecting Edelgard after all she has done is more than worthy of death. She also rages against Edelgard, having known her distant ancestor Wilhelm I, believing that she is defiling his legacy. Due to Byleth's "betrayal", Rhea reverts to her vengeful Seiros persona, increasingly becoming obsessed with destroying them, believing them to be the second coming of Nemesis. Though she is still able to maintain the loyalty of several of her Knights, such as Catherine and Gilbert, her constant ramblings and changed personality causes others immense discomfort, to the point that, over the ensuing years of the war, a number of low-ranking members of the Church defect to the Empire, and even Seteth loses faith in her, believing that even if she won against the Empire, the Church would no longer be the same. He tells Byleth that he cannot support their actions, but neither can he support Rhea's current course. Their departure or deaths (should Byleth land the finishing blow on Flayn or both of them) further destabilize Rhea, and in her madness she blames Byleth.

However, in Silver Snow and Verdant Wind, where Byleth does not support Edelgard, Rhea maintains her sanity and becomes regretful of her more questionable actions during her time of imprisonment by Edelgard, admitting in her S-Support that while she did desire to keep the peace, she was also driven by selfish and immature motives and it was wrong to not recognize Byleth as a separate from Sothis. She then hands over her authority to Byleth, as she believes she is no longer worthy of the degree of influence she had. That said, in their paired ending after she recovers her strength, she returns to her position of archbishop as she and Byleth (the actual leader of Fódlan) work together to reform and prosper the nation.

She is implied to undergo a change of heart in Azure Moon as well, as while she does not appear onscreen in part 2 she (just as in Silver Snow if she has A support but not S support with Byleth) cedes her position to Byleth and retires to live quietly in Zanado, potentially with Catherine and her husband (depending on her paired ending) as companions.

"End of spoilers. It's a pleasure doing business with you!"

In-Game[]

Fire Emblem: Three Houses[]

As an Ally[]

Falling Short of Heaven[]
Skill FE16 sword icon FE16 lance icon FE16 axe icon FE16 bow icon FE16 brawl icon FE16 reason icon FE16 faith icon FE16 authority icon FE16 heavy armor icon FE16 riding icon FE16 flying icon
Level A D E E B A A A - - -
Start
The Battle of Garreg Mach[]
Skill FE16 sword icon FE16 lance icon FE16 axe icon FE16 bow icon FE16 brawl icon FE16 reason icon FE16 faith icon FE16 authority icon FE16 heavy armor icon FE16 riding icon FE16 flying icon
Level A D E E B A A A - - -
Start

As an Enemy[]

The Battle of Garreg Mach[]
Skill FE16 sword icon FE16 lance icon FE16 axe icon FE16 bow icon FE16 brawl icon FE16 reason icon FE16 faith icon FE16 authority icon FE16 heavy armor icon FE16 riding icon FE16 flying icon
Level A D E E B A A A - - -
Start


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Combat at Tailtean Plains[]
Skill FE16 sword icon FE16 lance icon FE16 axe icon FE16 bow icon FE16 brawl icon FE16 reason icon FE16 faith icon FE16 authority icon FE16 heavy armor icon FE16 riding icon FE16 flying icon
Level A D E E B A A A - - -
Start
The Fight for Fhirdiad[]
Skill FE16 sword icon FE16 lance icon FE16 axe icon FE16 bow icon FE16 brawl icon FE16 reason icon FE16 faith icon FE16 authority icon FE16 heavy armor icon FE16 riding icon FE16 flying icon
Level E E E E E E E E - - -
Start
The Final Battle[]
First Form[]
Skill FE16 sword icon FE16 lance icon FE16 axe icon FE16 bow icon FE16 brawl icon FE16 reason icon FE16 faith icon FE16 authority icon FE16 heavy armor icon FE16 riding icon FE16 flying icon
Level E E E E E E E E - - -
Start
Second Form[]
Skill FE16 sword icon FE16 lance icon FE16 axe icon FE16 bow icon FE16 brawl icon FE16 reason icon FE16 faith icon FE16 authority icon FE16 heavy armor icon FE16 riding icon FE16 flying icon
Level E E E E E E E E - - -
Start
"End of spoilers. It's a pleasure doing business with you!"

Gift List[]

Gift Name Type of Gift Description Rank
Goddess Statuette Favorite A beautiful wood carving of the goddess. Appreciated by those who like art or carving, and by devout believers. ★★★
Ancient Coin Favorite A coin said to have been used as currency in ancient times. Appreciated by those who enjoy traveling, art, or coins. ★★★
Landscape Painting Favorite A landscape painting of magnificent Lake Teutates in the clearing fog. Appreciated by those who enjoy nature or art. ★★★★
Owl Feather Favorite A feather from a messenger owl that can be used in a variety of ways. Appreciated by everyone. ★★★
Exotic Spices Dislike Spices from a land to the east of Almyra. Appreciated by those who enjoy traveling or cooking. ★★★★

Lost Items[]

Lost Item Description
Elegant Hair Clip An elegant white hair clip, likely belonging to someone with grace. A lovely gift for most anyone.
Seiros Scriptures A book of old scriptures engraved with the Crest of Seiros. It probably belongs to someone affiliated with the Church.
Faded Star Chart A star chart that was created by the church. It probably belongs to someone who knows a lot about stars.

Tea Party Conversations[]

See Main Article: Rhea/Tea Party.

Unlike most characters, Rhea can only have tea parties with the player if the game is on update 1.2.0 onwards, then she will offer the quest Esteemed Company from Chapter 5 onwards.

Supports[]

See Main Article: Rhea/Supports.

Rhea can only form a support conversation with Byleth. She can form an S-Support with both genders of Byleth, but only in the Silver Snow route.

Fire Emblem Heroes[]

Archbishop Rhea[]

Loving Matriarch
Archbishop who guides the Church of Seiros. Watches over her students with the calm air of a caring mother. Appears in Fire Emblem: Three Houses

Base Stats[]

Rarity: ✯✯✯✯✯

Rhea Heroes spriteTitle
Loving Matriarch
Group
Heroes Infantry Infantry
LevelHPAtkSpdDefRes
1
40
17/18/19
36/40/43
10/11/12
40/44/47
2/3/4
12/16/19
6/7/8
39/42/45
15/16/17
43/46/50
SkillsWeapon
FEH skill offense Revealing Breath
FEH skill special Night Sky
FEH Colorless Breath Breath

Skills[]

TypeNamePrerequisiteDefaultUnlocked
FEH skill offenseFire Breath---
Fire Breath+---
Flametongue---
Revealing Breath-FEH Star Rarity 5FEH Star Rarity 5
FEH skill specialNight Sky---
GlimmerNight Sky--
AFEH Atk Res Scowl 1 Atk Res Scowl 1--
FEH Atk Res Scowl 2 Atk Res Scowl 2FEH Atk Res Scowl 1 Atk Res Scowl 1-
FEH Atk Res Scowl 3 Atk Res Scowl 3FEH Atk Res Scowl 2 Atk Res Scowl 2-
FEH Atk Res Scowl 4 Atk Res Scowl 4FEH Atk Res Scowl 3 Atk Res Scowl 3FEH Star Rarity 5
BFEH True Dragon Wall True Dragon Wall-FEH Star Rarity 5

Overall[]

Secret Book (Artwork)
Subjective: The following part of this article is based upon the editor's personal experiences and opinions, and therefore may not be applicable for all readers.
Base Set[]
Counters[]
Skill Inheritance Options[]

Meet Some of the Heroes[]

Loving Matriarch Rhea
Rhea loving matriarch pop01 Rhea is the archbishop of the Church of Seiros, which worships the goddess Sothis. It's a powerful institution that exercises its influence across the entire continent of Fódlan.
Rhea loving matriarch pop02 She's a kind and compassionate leader who extends her benevolence to not only the Seiros faithful, but to non-believers as well!
Rhea loving matriarch pop03 There's one exception, though—those who actively oppose the Church. She'll respond to any such individuals or forces in kind, without a shred of mercy.
Rhea loving matriarch pop04 Rhea rarely has the opportunity to fight herself, but I hear she's actually extremely skilled at both swordplay and magic. She'd make a fine ally for the Order of Heroes!
Closely Associated Characters
Seteth Serves the Church of Seiros as Rhea's right hand. He is serious and stubborn with most, but dotes on his younger sister, Flayn.
Flayn Younger sister of Seteth, who dotes on her constantly. Having lived a sheltered life, she sometimes appears to lack common sense. She is protected by the Church of Seiros, which is led by Rhea.
Byleth Child of the former captain of the Knights of Seiros, Jeralt. A stoic, capable professor at the Officers Academy, who was appointed to the post by Rhea.

Witch of Creation
Archbishop who guides the Church of Seiros. Donning a witch costume, she has come to enjoy all Askr's harvest festival has to offer. Appears in Fire Emblem: Three Houses..

Base Stats[]

Rarity: ✯✯✯✯✯

Rhea Witch of Creation Heroes spriteTitle
Witch of Creation
Group
Heroes Infantry Infantry
LevelHPAtkSpdDefRes
1
40
17/18/19
36/40/43
9/10/11
39/43/46
4/5/6
14/18/21
8/9/10
36/39/43
11/12/13
39/42/46
SkillsWeapon
FEH skill offense Witch Breath
FEH skill special Chilling Wind
FEH Wind Breath Breath

Skills[]

TypeNamePrerequisiteDefaultUnlocked
FEH skill offenseFire Breath---
Fire Breath+Fire Breath--
FlametongueFire Breath+--
Witch BreathFlametongue-FEH Star Rarity 5
FEH skill specialChilling Wind---
Iceberg---
AFEH Atk Res Bond 1 Atk Res Bond 1--
FEH Atk Res Bond 2 Atk Res Bond 2FEH Atk Res Bond 1 Atk Res Bond 1-
FEH Atk Res Bond 3 Atk Res Bond 3FEH Atk Res Bond 2 Atk Res Bond 2-
FEH Atk Res Bond 4 Atk Res Bond 4FEH Atk Res Bond 3 Atk Res Bond 3FEH Star Rarity 5
BFEH Dragon Wall 1 Dragon Wall 1--
FEH Dragon Wall 2 Dragon Wall 2FEH Dragon Wall 1 Dragon Wall 1-
FEH Dragon Wall 3 Dragon Wall 3FEH Dragon Wall 2 Dragon Wall 2-

Overall[]

Secret Book (Artwork)
Subjective: The following part of this article is based upon the editor's personal experiences and opinions, and therefore may not be applicable for all readers.
Base Set[]
Counters[]
Skill Inheritance[]

Meet Some of the Heroes[]

Witch of Creation Rhea
Rhea witch of creation pop01 We've got a VIP dropping by the harvest festival, and she's come wearing an absolutely incredible outfit! Let's hear it for Rhea, the archbishop of the Church of Seiros!
Rhea witch of creation pop02 Rhea's dressed up as an alluring witch for the festival. It's a pretty stark contrast to her day-to-day life as the leader of the Church, but it really does suit her mysterious presence!
Rhea witch of creation pop03 Her magic staff is designed to look like a jam cookie, hinting at her playful nature. Ah, I can taste the harvest festival treats already!
Rhea witch of creation pop04 As the leader of the Church, Rhea must have a lot on her shoulders. I hope she can forget all those responsibilities and have fun being a mischievous witch during the festival!
Closely Associated Characters
Byleth Child of the former captain of the Knights of Seiros, Jeralt. A stoic, capable professor at the Officers Academy. Rhea has an eye on the young mercenary.
Seteth Serves the Church of Seiros as Rhea's right hand. He is serious and stubborn with most, but dotes on his younger sister, Flayn.

Immaculate One
Child of the progenitor god Sothis. Unable to control the power coursing through her, she takes on a draconic form. Appears in Fire Emblem: Three Houses.

Base Stats[]

Rarity: ✯✯✯✯✯

Rhea Immaculate One Heroes spriteTitle
Immaculate One
Group
Heroes Armored Armored
LevelHPAtkSpdDefRes
1
40
19/20/21
43/46/49
12/13/14
40/43/47
4/5/6
14/18/21
9/10/11
37/40/44
9/10/11
39/43/46
SkillsWeapon
FEH skill offense Ruinous Frost
FEH skill special Night Sky
FEH Colorless Breath Breath

Skills[]

TypeNamePrerequisiteDefaultUnlocked
FEH skill offenseFire Breath---
Fire Breath+---
Flametongue---
Ruinous Frost-FEH Star Rarity 5-
FEH skill specialNight Sky---
GlimmerNight Sky--
AFEH Warding Stance 1 Warding Stance 1--
FEH Bracing Stance 1 Bracing Stance 1FEH Warding Stance 1 Warding Stance 1-
FEH Bracing Stance 2 Bracing Stance 2FEH Bracing Stance 1 Bracing Stance 1-
FEH Bracing Stance 3 Bracing Stance 3FEH Bracing Stance 2 Bracing Stance 2FEH Star Rarity 5
BFEH True Dragon Wall True Dragon Wall-FEH Star Rarity 5
CFEH Def Res Near Save 1 Def Res Near Save 1--
FEH Def Res Near Save 2 Def Res Near Save 2FEH Def Res Near Save 1 Def Res Near Save 1-
FEH Def Res Near Save 3 Def Res Near Save 3FEH Def Res Near Save 2 Def Res Near Save 2-

Overall[]

Secret Book (Artwork)
Subjective: The following part of this article is based upon the editor's personal experiences and opinions, and therefore may not be applicable for all readers.
Base Set[]
Counters[]
Skill Inheritance[]

Meet Some of the Heroes[]

Immaculate One Rhea
Rhea immaculate one pop01 Rhea is the archbishop of the Church of Seiros. The church's flock extends across the continent of Fódlan, and its faithful admire Rhea for her graceful, benevolent nature.
Rhea immaculate one pop02 Little do they know that Rhea is in fact a child of Sothis, the progenitor god worshipped by the Church. She's lived for thousands of years, preserving order in Fódlan all this time!
Rhea immaculate one pop03 Despite her gentle outward nature, Rhea shows no mercy to those who oppose the Church of Seiros. If she has to, she'll even unleash her secret draconic powers to overwhelm her foes!
Rhea immaculate one pop04 That said, she was treated pretty poorly, and, when pushed past her limits, she lost control of her power and herself... Will the Order of Heroes be able to handle Rhea when she's in this state?
Closely Associated Characters
Sothis Mysterious girl that sits upon a throne within dreams. Full of emotion, her attitude changes by the moment. She is in fact the progenitor god and mother of Rhea.
Seteth Serves the Church of Seiros as Rhea's right hand. He is serious and stubborn with most, but dotes on his younger sister, Flayn.

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Seiros the Saint of Legend[]

Saint of Legend
Founding saint of the Church of Seiros. Stern but gentle, she guides the people of Fódlan and defends them from danger. Fire Emblem: Three Houses.
Base Stats[]
Seiros Heroes spriteTitle
Saint of Legend
Group
Heroes Infantry Infantry
LevelHPAtkSpdDefRes
1
40
17/18/19
36/40/43
8/9/10
38/42/45
4/5/6
14/18/21
8/9/10
34/37/40
11/12/13
37/40/43
SkillsWeapon
FEH skill offense Aurora Breath
FEH skill special Chilling Wind
FEH Thunder Breath Breath

Skills[]

TypeNamePrerequisiteDefaultUnlocked
FEH skill offenseFire Breath---
Fire Breath+---
Flametongue---
Aurora Breath-FEH Star Rarity 5-
FEH skill specialChilling Wind-FEH Star Rarity 5-
GlaciesChilling Wind-FEH Star Rarity 5
AFEH Warding Blow 1 Warding Blow 1--
FEH Mirror Strike 1 Mirror Strike 1FEH Warding Blow 1 Warding Blow 1-
FEH Mirror Strike 2 Mirror Strike 2FEH Mirror Strike 1 Mirror Strike 1-
FEH Mirror Impact Mirror ImpactFEH Mirror Strike 2 Mirror Strike 2FEH Star Rarity 5
FEH Atk Res Scowl 1 Atk Res Scowl 1--
FEH Atk Res Scowl 2 Atk Res Scowl 2FEH Atk Res Scowl 1 Atk Res Scowl 1-
FEH Atk Res Scowl 3 Atk Res Scowl 3FEH Atk Res Scowl 2 Atk Res Scowl 2-
FEH Atk Res Scowl 4 Atk Res Scowl 4FEH Atk Res Scowl 3 Atk Res Scowl 3FEH Star Rarity 5
BFEH Dragon Wall 1 Dragon Wall 1--
FEH Dragon Wall 2 Dragon Wall 2FEH Dragon Wall 1 Dragon Wall 1-
FEH Dragon Wall 3 Dragon Wall 3FEH Dragon Wall 2 Dragon Wall 2-
CFEH Wings of Light Wings of Light-FEH Star Rarity 5
File:FEH Wings of Light+.png Wings of Light+-FEH Star Rarity 5

Overview[]

Secret Book (Artwork)
Subjective: The following part of this article is based upon the editor's personal experiences and opinions, and therefore may not be applicable for all readers.
Base Class[]

Seiros is the first Anima Mythic carrying the new Aether Raids defense ability to add an additional seventh member to the Anima season defense teams. As a Blue Dragon, Seiros stands out with her solid mixed bulk, scoring 77 physical and 80 magical. Her Atk is also quite impressive at neutral 42, allowing her to dish out decent damage. Sadly, her Spd is rather lacking for all of these strengths, sitting at a measly 14 if it ends up being her flaw. Normally, a line would be put here stating how she gets easily doubled by foes, but her kit puts that fear to rest.
Her Aurora Breath innately gives her an extra +3 Atk, bringing her neutral Atk total to a monstrous 61 (64 if she has an Atk asset) and the standard adaptive damage when in combat with a ranged foe. The additional effect of her breath depends on who initiates. If she initiates, she gains an additional +6 Atk and a guaranteed follow-up, patching her low Spd immediately, though her opponent will also still have their follow-up should they meet the Spd threshold. If her opponent is the one who initiates, she instead gains +6 Def/Res and also prevents her foe's follow-up. As a result, during her turn, she is a veritable offensive threat. On her opponent's turn, she is a stalwart wall. Flexibility is her main game here and thus, she can be extremely dangerous if she is challenged improperly.
Her exclusive skill is Wings of Light, which gives her fellow Mythic heroes additional stats for the first 5 turns of battle and only if there are three or fewer Mythic Heroes on her team (including herself). All of her Mythic Allies gains a +2 Atk/Spd/Def/Res boost, plus additional points based on the turn count, maximizing and stopping at turn 5. Duma, Líf, Thrasir, and Mirabilis are the best recipients of this buff as of the release of Seiros, as they will naturally be put on her team during Anima defense seasons and not only provide buffs for themselves through their respective stat buffs, but also buff her in return.
Her high Res does contribute to a modest boost to her attacks when her Glacies activates. Mirror Impact grants her +6 Atk and +10 Res when she initiates and negates her foes' follow-up, allowing her to secure the only double involving her. Seiros also introduced a new inheritable Skill B, Dragon Wall, which reduces the damage from attacks and AOE specials if her Res is higher than her foes. She will remove a percentile of the damage based on the difference between her Res and her foe's x4 maximizing at 40% reduction. In her hands, on top of her already monstrous bulk and additional mixed bulk during the opponent's turn, Seiros is an extremely hardy unit.

Counters[]

Despite Seiros' overwhelming strengths, she does come with her share of flaws. Null Follow-Up users are particularly problematic for her as it removes her guaranteed follow-up and her enemy follow-up negation effect, leaving her wide open to a double from her foes. Several Greens innately carry the skill like Asbel, Hilda, and Shamir and any particularly strong Green can inherit the skill and put it to use. Heroes who carry dragon effective weapons, especially Julia, Deirdre, and Nagi who carry color advantage as well can deal extreme damage despite the high bulk she has. Fittingly, Edelgard's three forms are a strong counter as they all carry axes, thus having the color advantage. Her base form does require Null Follow-Up to secure a kill on Seiros, but her Legendary and Brave forms can safely duel her and win through sheer stat strength. While Naga herself may not be too problematic for Seiros to handle on her own, the unique buff from Divine Fang that can be given to her green allies can turn many into an instant counter for Seiros.

Skill Inheritance Options[]

Seiros' only empty skill slot is her assist, thus the standard Reposition is well applied to move allies behind her so she can tank her foes' attacks. Sol grants her self regeneration, making her a nigh impenetrable wall that self-sustains herself through her sheer bulk and high damage output. Distant Counter can be considered to make her more of a wholly defensive character to now counterattack ranged foes as well. While she may lose out on her follow-up negation during her initiated combat, it can be considered a better trade-off for her in the long run.

Meet Some of the Heroes[]

Saint of Legend Seiros
Seiros saint of legend pop01 Seiros is an ancient saint who is inseparable from the history of Fódlan! She's also the founder of the Church of Seiros, which itself has guided the continent for centuries.
Seiros saint of legend pop02 It's said that the Church was founded after Seiros received a divine revelation from the goddess watching over Fódlan. The Adrestian Empire was later established to honor her presence in the area.
Seiros saint of legend pop03 Some time later, war broke out in Fódlan when Nemesis, the King of Liberation, challenged Seiros. It was on the Tailtean Plains that Seiros battled and triumphed over Nemesis.
Seiros saint of legend pop04 Seiros was a saint, pure of heart and loving toward her people, but she was also an accomplished warrior. And now, she's lending her incredible powers to the Order of Heroes! With her on our side, there's no way we can lose!
Closely Associated Characters
Nemesis A king who faced Seiros in mortal combat long ago, commanding the Ten Elites and wielding the Sword of the Creator.

"End of spoilers. It's a pleasure doing business with you!"

Warriors: Three Hopes[]

Base Stats[]

Starting ClassCrest
FEW3H SaintSaintMajor Crest of Seiros
LevelHPStrMagDexSpdLckDefResCha
5072255155354246464158
MagicCombat ArtsAbilitiesStarting Items
-Icon Combat Art FE16 SwordAstra
Icon Combat Art FE16 SwordFinesse Blade
FEW3H Purifying RainPurifying Rain Lv 1
Name DropPower of the Saints Lv 1
LogicianMerciful Auspices Lv 1
Charm FE16Charm
Terrain Resistance FE16Terrain Resistance
Axe Buster Lv 5Axe Buster Lv 5
Sword Prowess Lv 3Sword Prowess Lv 3
Sword Crit +10 FE16Apex Sword
Defiant Crit FE16Boost Critical
Sword Crit +10 FE16Mercenary's Ploy
FE16 Sacred Sword Weapon IconSword of Seiros
FE16 Sacred Shield IconSeiros Shield

Quotes[]

Three Houses[]

Rhea/Quotes

Heroes[]

Rhea/Heroes Quotes

Warriors: Three Hopes[]

Rhea/Warriors: Three Hopes Quotes

Possible Endings[]

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Rhea and Byleth
After finally saving both Fódlan and Rhea from Crisis, Byleth ascended the throne as the first leader of the United Kingdom of Fódlan. From her/his temporary residence at Garreg Mach Monastery, she/he endeavored to restore and develop Fódlan. Having narrowly escaped death, Rhea took time to recover her strength before returning to her role as archbishop. Upon her return, she applied herself to rehabilitating the church and helping those who had suffered because of the war. Thereafter, the two worked closely to forge new policies and achieve progress for Fódlan. The pair’s collective work came to be thought of as nothing short of miraculous.
"End of spoilers. It's a pleasure doing business with you!"

Non-Canon Appearances[]

Super Smash Bros. Ultimate[]

Rhea appears in Super Smash Bros. Ultimate as a background character at Garreg Mach Monastery. She also appears as a spirit, using new artwork to represent her.

Spirit Info
No. Name Image Type Class Slots Effect
1,389 Rhea 3H Rhea Artwork Primary (Neutral) ★★★☆ (Ace) 3 Magic Attack ↑
Spirit Battle
Spirit Enemy Fighter(s) Type Power / Class Stage Rules Conditions Music
3H Rhea Artwork
No. 1,389
Rhea
•Palutena
•Charizard
Neutral 10,300 / ★★★☆ (Ace) Bridge of Eldin (hazards off) None •Stamina battle
•Reinforcements will appear after an enemy is KO'd
•The enemy is giant
"The Apex of the World"

Fire Emblem 0 (Cipher)[]

Rhea is illustrated in the trading card game Fire Emblem Cipher with the following cards:

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Choose Your Legends Placement History[]

Round Placement Character Version Votes

CYL1 - CYL3 N/A
CYL4 31 CYL Rhea Portrait
Three Houses
5,627
48 CYL Seiros Portrait
Three Houses
4,145
CYL5 24
↑7
CYL Rhea Portrait
Three Houses
4,295
↓1,332
40
↑8
CYL Seiros Portrait
Three Houses
2,861
↓1,284
CYL6 44
↓20
CYL Rhea Portrait
Three Houses
2,092
↓2,203
100
↓60
CYL Seiros Portrait
Three Houses
979
↓1,882
CYL7 52
↓8
CYL Rhea Portrait
Three Houses
1,298
↓794
155
↓55
CYL Seiros Portrait
Three Houses
393
↓586

CYL8 73
↓21
CYL Rhea Portrait
Three Houses
936
↓362
213
↓58
CYL Seiros Portrait
Three Houses
272
↓121

Etymology[]

Rhea is a Greek Titan known as the "Mother of the Gods", as she is the mother of the first six Olympians (Hestia, Demeter, Hera, Hades, Poseidon and Zeus). The name may also refer to the mother of Romulus and Remus, the mythical founders of Rome.

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Seiros may be derived from Seirios (Σείριος), Greek for "scorching", and an alternate name for the star Sirius. This connection to Sirius is shared with Sothis. It may derive from the demon Seir from the Ars Goetia, a Prince of Hell who commands 26 legions and can go to any place on Earth within seconds to bring abudance, help find hidden treasures, and more acts, but is not a demon of evil and is indifferent to maliciousness. Sitri and Byleth are also named after Goetian demons, which may symbolize their connection.

"End of spoilers. It's a pleasure doing business with you!"

Trivia[]

  • Rhea shares her Japanese voice actor, Kikuko Inoue, with Deirdre in Heroes.
  • Rhea shares her English voice actor, Cherami Leigh, with Mae and Emma in Echoes as well as Caeda, Gwendolyn, and Cecilia in Heroes.
  • Rhea is one of the characters who can have S-Supports with both a male and a female Byleth. The others are: Edelgard, Linhardt, Dorothea, Mercedes, Gilbert (platonic), Alois (platonic), Sothis, Jeritza, and Yuri.
  • Rhea has unused growth rates and quotes, implying she may have been initially developed with the intention of being playable.
  • In a survey conducted by Famitsu Magazine, Rhea placed 16th for females and 32nd overall with 120 votes in the character popularity poll for Three Houses.
  • Prior to update 1.2.0 of Three Houses, Rhea was the only character with whom Byleth could support that could not be invited to tea parties.
  • Rhea is the only non-playable character in the Fire Emblem series to have C, B, and A support conversations with a playable character.
    • Additionally, Rhea is the only character with whom Byleth can obtain an A support rank before Part II of Three Houses (not counting the ability to buy back support levels in New Game+).
  • In Rhea's Cipher card, her crown has a slight difference from the one she wears in-game. The hearts have a different design.
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  • Rhea has the highest HP total of any single enemy unit in the main Fire Emblem series, with 876 as the final boss of Silver Snow on Maddening mode.
  • Rhea is the only character to serve as the final boss of more than one story route in Three Houses.
    • Coincidentally, she is the final boss of both routes originating from the Black Eagles house: Crimson Flower, where Byleth aids Edelgard, Rhea’s nemesis, and ironically Silver Snow, often referred to as the “Church route”, where Byleth sides with Rhea against their former student.
    • As the final boss of Silver Snow, Rhea is driven into a berserk fury by her draconic power as her body becomes too weak to control it, and her form as The Immaculate One becomes warped. Although not referred to as such in Three Houses, this is a condition similar to the degeneration that led Manaketes in past Fire Emblem games to fall into madness.
  • Rhea is the only NPC in Three Houses whose gambit lines are impossible to trigger as she always have a battalion that lacks an offensive gambit.
  • In Heroes and the opening scene of Three Houses, Seiros is depicted with blonde hair with green highlights, yet throughout Three Houses',' they are both depicted with green hair. According to her concept art, her hair is dyed, likely to hide her identity at the time.
  • In Three Hopes, Rhea cannot use Mortal Savant, having Saint in its place.
  • Of the three characters that serve as final bosses in Three Houses, Rhea is the only one to not make an appearance in Fire Emblem Engage. Edelgard appears as a Bond Ring, as well as one of the Emblems in the DLC Bracelet of the Three Houses, while Nemesis appears under the title "Liberation King" as a Dark Emblem in the game's final chapter.
"End of spoilers. It's a pleasure doing business with you!"

Gallery[]

See main article: Rhea/Gallery.
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