“Prepare to taste the blade of one who serves the goddess. Now you face a Knight of Seiros!”
—Catherine

Catherine is a character from Fire Emblem: Three Houses. She teaches at the Officers Academy and is one of the Knights of Seiros. As an instructor at the Academy, she offers lessons in Swords and Brawling. She possesses a Major Crest of Charon. She is 27 years old at the start of the game.

Profile[edit | edit source]

Catherine is an alumnus of the Garreg Mach Monastery Officers Academy. She is a fearsome swordswoman who wields Thunderbrand, one of the legendary weapons known as the Heroes' Relics, and is loyal to Archbishop Rhea. Catherine has the rare trait of being able to identify a Crest just by looking at the person.


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Catherine was born to House Charon in the Holy Kingdom of Faerghus with the name Cassandra. When she was still a student at the Officers Academy, she and her classmates were tasked with killing monsters, but they were ambushed and she nearly died. Rhea saved her and nursed her back to health. Some time after graduating, she was implicated in a plot to kill the king and had to flee the kingdom, becoming an outlaw. She sought safety at Garreg Mach Monastery and Rhea took her in, making Cassandra her knight. Cassandra then changed her name to Catherine. During this period, she also was responsible for capturing Christophe and turning him over to the Knights of Seiros for execution, which cleared her of any wrongdoing. The incident would haunt her for the rest of her life.

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

Academy Phase[edit | edit source]

War Phase[edit | edit source]

Crimson Flower[edit | edit source]

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If Byleth decided to side with Edelgard, Catherine becomes disgusted with their decision and remains with Rhea to defend her from the Empire. If Byleth faces her, she shows disgust in their actions and vows to strike them down, but is defeated and forced to retreat.

Catherine accompanies Rhea to retake Garreg Mach from the Empire, battling a large force who intercepted them. The attack was meant as a distraction to allow Seteth's expeditionary force to recapture the monastery, but the plan falls apart when the force is routed by the Black Eagles. If both Seteth and Flayn were spared by Byleth, then Catherine gives Rhea a letter from him.

In Petra and Bernadetta's shared Paralogue, Foreign Land and Sky, Petra decides to meet with her grandfather to obtain reinforcements and remain in the Empire's good graces. Due to this, Catherine is sent by Rhea to Brigid to persuade them otherwise. She is defeated yet again in battle, and forced to retreat as Brigid maintains its alliance with the Empire.

Following the Empire's victory at Tailtean Plains, Rhea retreats to the Kingdom capital of Fhirdiad, where Catherine and Cyril are waiting for her. Edelgard orders the Church to surrender and be spared, waiting for their response before attacking. Catherine tells Rhea that the Empire is waiting for their response, and states that she will be loyal to her until the end. Rhea then orders her and Cyril to torch the city, much to her shock. Initially unwilling to torch the city, she suggests they simply retreat and remass their forces to fight another day. Rhea refuses and reiterates her orders to torch the city, which she reluctantly complies with.

If Byleth battles Catherine again, she states her disgust and saying to them that she wished that they never became a professor and came to Garreg Mach and the fact that she knew they were trouble, but did not do anything, proclaiming that she will rectify her mistake by killing them in battle. If Shamir battles her, they both state that they had expected this day to come. Although Shamir expressed worry with Catherine (remarking that she would come to kill her with "mixed emotions of love and hate"), should she battle her, Catherine does not express any resentment towards her betrayal. She may be spared if the Immaculate One is defeated first, though her fate is left ambiguous.

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

Other Routes[edit | edit source]

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Catherine remains with the Knights of Seiros, assisting Byleth and the others in ending the war against the Empire and locating Rhea. In the Azure Moon route, she is delighted to see that she is alive, albeit in a weakened state. When Rhea steps down as archbishop, Catherine could potentially accompany her to Zanado, along with her husband depending on her ending.

In the Verdant Wind route, Catherine becomes saddened with Rhea's death, leaving the Knights of Seiros and becoming a wandering mercenary, although depending on her ending she may opt to settle down with her husband.

The Silver Snow route applies both the Azure Moon and Verdant Wind endings for Catherine, depending if Byleth obtained an A-Rank support with Rhea or not.

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

Personality[edit | edit source]

As one of the most powerful Knights of Seiros, Catherine is extremely loyal and a devout believer in the Church and Rhea, the latter being an attachment. This is due to Rhea taking her in during her greatest time of need, and as such, feels that it must be repaid in full. Her devotion to the Church is extreme that in a conversation with Shamir, if someone spoke of heresy and she didn't know them, she'd cut them down on the spot. Her loyalty to Rhea is also unwavering, following her to the very end, despite the apparent insanity she falls into during the Crimson Flower route.

Aside from her role as Rhea's bodyguard, she is a fierce warrior with a reputation to back up her skills, being known as Thunder Catherine. While many knights idolize her, she feels that she is not worthy of such praise. She gets along well with her fellow knights Alois and Shamir, especially with the latter despite their vastly different personalities, due to having fought many battles together.

She is also willing to help others, such as telling Ingrid to resort to dirty tactics as a last resort, as war can be quite dirty and not what the stories make it out to be. She also helps Ashe find closure in the role she played in Christophe and Lonato's deaths.


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Despite being a member of House Charon, one of Faerghus' most noble and prominent houses, she dislikes her noble title, as she feels that it keeps her chained to a life she doesn't want to live. In her ending with Lorenz should Rhea be killed, it states that she preferred relaxing in a tavern rather than dressing up for court.

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

She has an innate sense of identifying people with crests with a single glance. She could correctly pick up on Lysithea's crest secret and knows that she has a Crest of Charon like she does. The two can form a bond akin to sisters if their support is pursued.

In-Game[edit | edit source]

Three Houses[edit | edit source]

Base Stats[edit | edit source]

As a Mission Assistant[edit | edit source]

Falling Short of Heaven[edit | edit source]
Skill FE16 sword icon.png FE16 lance icon.png FE16 axe icon.png FE16 bow icon.png FE16 brawl icon.png FE16 reason icon.png FE16 faith icon.png FE16 authority icon.png FE16 heavy armor icon.png FE16 riding icon.png FE16 flying icon.png
Level A E E E E E E E - - -
Start

As an Ally[edit | edit source]

The Magdred Ambush[edit | edit source]
Skill FE16 sword icon.png FE16 lance icon.png FE16 axe icon.png FE16 bow icon.png FE16 brawl icon.png FE16 reason icon.png FE16 faith icon.png FE16 authority icon.png FE16 heavy armor icon.png FE16 riding icon.png FE16 flying icon.png
Level A E E E E E E E - - -
Start
The Battle of Garreg Mach[edit | edit source]
Skill FE16 sword icon.png FE16 lance icon.png FE16 axe icon.png FE16 bow icon.png FE16 brawl icon.png FE16 reason icon.png FE16 faith icon.png FE16 authority icon.png FE16 heavy armor icon.png FE16 riding icon.png FE16 flying icon.png
Level A E E E E E E E - - -
Start

As an Enemy[edit | edit source]

The Battle of Garreg Mach[edit | edit source]
Skill FE16 sword icon.png FE16 lance icon.png FE16 axe icon.png FE16 bow icon.png FE16 brawl icon.png FE16 reason icon.png FE16 faith icon.png FE16 authority icon.png FE16 heavy armor icon.png FE16 riding icon.png FE16 flying icon.png
Level A E E E E E E A - - -
Start
The Fight for Fhirdiad[edit | edit source]
Skill FE16 sword icon.png FE16 lance icon.png FE16 axe icon.png FE16 bow icon.png FE16 brawl icon.png FE16 reason icon.png FE16 faith icon.png FE16 authority icon.png FE16 heavy armor icon.png FE16 riding icon.png FE16 flying icon.png
Level A E E E E E E A - - -
Start
Foreign Land and Sky[edit | edit source]
Skill FE16 sword icon.png FE16 lance icon.png FE16 axe icon.png FE16 bow icon.png FE16 brawl icon.png FE16 reason icon.png FE16 faith icon.png FE16 authority icon.png FE16 heavy armor icon.png FE16 riding icon.png FE16 flying icon.png
Level A E E E E E E A - - -
Start

Growth Rates[edit | edit source]

HP Str Mag Dex Spd Lck Def Res Charm
50% 50% 25% 40% 55% 30% 30% 20% 25%

Maximum Stats[edit | edit source]

HP Str Mag Dex Spd Lck Def Res Charm
92 70 36 56 75 43 42 37 35

Learnt Magic[edit | edit source]

Skill Level Reason Faith
D Fire Heal
D+ - Nosferatu
C Bolganone Recover
C+ - -
B - -
B+ - -
A Ragnarok -
A+ - -

Learnt Abilities[edit | edit source]

Ability Learned at Notes
Sword Prowess Lv 4.png Sword Prowess Lv 4 Innate -
Sword Prowess Lv 5.png Sword Prowess Lv 5 FE16 sword icon.png A+ Replaces Sword Prowess Lv 4
Icon Combat Art FE16 Sword.png Wrath Strike Innate -
Icon Combat Art FE16 Sword.png Grounder Innate -
Icon Combat Art FE16 Sword.png Bane of Monsters Innate -
Axebreaker FE16.png Axebreaker Innate -
Icon Combat Art FE16 Sword.png Finesse Blade Innate -
Sword Crit +10 FE16.png Sword Crit +10 FE16 sword icon.png S -
Swordfaire FE16.png Swordfaire FE16 sword icon.png S+ -
Lance Prowess Lv 1.png Lance Prowess Lv 1 FE16 lance icon.png E+ -
Lance Prowess Lv 2.png Lance Prowess Lv 2 FE16 lance icon.png D+ Replaces Lance Prowess Lv 1
Lance Prowess Lv 3.png Lance Prowess Lv 3 FE16 lance icon.png C+ Replaces Lance Prowess Lv 2
Lance Prowess Lv 4.png Lance Prowess Lv 4 FE16 lance icon.png B+ Replaces Lance Prowess Lv 3
Lance Prowess Lv 5.png Lance Prowess Lv 5 FE16 lance icon.png A+ Replaces Lance Prowess Lv 4
Icon Combat Art FE16 Lance.png Tempest Lance FE16 lance icon.png D -
Icon Combat Art FE16 Lance.png Knightkneeler FE16 lance icon.png C -
Swordbreaker FE16.png Swordbreaker FE16 lance icon.png B -
Lance Crit +10 FE16.png Lance Crit +10 FE16 lance icon.png S -
Lancefaire FE16.png Lancefaire FE16 lance icon.png S+ -
Axe Prowess Lv 1.png Axe Prowess Lv 1 FE16 axe icon.png E+ -
Axe Prowess Lv 3.png Axe Prowess Lv 3 FE16 axe icon.png D+ Replaces Axe Prowess Lv 1
Axe Prowess Lv 3.png Axe Prowess Lv 3 FE16 axe icon.png C+ Replaces Axe Prowess Lv 2
Axe Prowess Lv 4.png Axe Prowess Lv 4 FE16 axe icon.png B+ Replaces Axe Prowess Lv 3
Axe Prowess Lv 5.png Axe Prowess Lv 5 FE16 axe icon.png A+ Replaces Axe Prowess Lv 4
Icon Combat Art FE16 Axe.png Smash FE16 axe icon.png D -
Icon Combat Art FE16 Axe.png Helm Splitter FE16 axe icon.png C -
Lancebreaker FE16.png Lancebreaker FE16 axe icon.png B -
Axe Crit +10 FE16.png Axe Crit +10 FE16 axe icon.png S -
Axefaire FE16.png Axefaire FE16 axe icon.png S+ -
Bow Prowess Lv 1 FE16.png Bow Prowess Lv 1 FE16 bow icon.png E+ -
Bow Prowess Lv 2 FE16.png Bow Prowess Lv 2 FE16 bow icon.png D+ Replaces Bow Prowess Lv 1
Bow Prowess Lv 3 FE16.png Bow Prowess Lv 3 FE16 bow icon.png C+ Replaces Bow Prowess Lv 2
Bow Prowess Lv 4 FE16.png Bow Prowess Lv 4 FE16 bow icon.png B+ Replaces Bow Prowess Lv 3
Bow Prowess Lv 5.png Bow Prowess Lv 5 FE16 bow icon.png A+ Replaces Bow Prowess Lv 4
Icon Combat Art FE16 Bow.png Curved Shot FE16 bow icon.png D -
Close Counter FE16.png Close Counter FE16 bow icon.png C -
Bow Crit +10 FE16.png Bow Crit +10 FE16 bow icon.png S -
Bowfaire FE16.png Bowfaire FE16 bow icon.png S+ -
Brawling Prowess Lv 2 FE16.png Brawling Prowess Lv 2 Innate -
Brawling Prowess Lv 3 FE16.png Brawling Prowess Lv 3 FE16 brawl icon.png C+ Replaces Brawling Prowess Lv 2
Brawling Prowess Lv 4 FE16.png Brawling Prowess Lv 4 FE16 brawl icon.png B+ Replaces Brawling Prowess Lv 3
Brawling Prowess Lv 5 FE16.png Brawling Prowess Lv 5 FE16 brawl icon.png A+ Replaces Brawling Prowess Lv 4
Icon Combat Art FE16 Brawl.png Fading Blow Innate -
Icon Combat Art FE16 Brawl.png Rushing Blow Innate -
Icon Combat Art FE16 Brawl.png Nimble Combo FE16 brawl icon.png C+ -
Combat Art Icon FE16 Special.png Healing Focus FE16 brawl icon.png B -
Icon Combat Art FE16 Brawl.png Bombard FE16 brawl icon.png A -
Brawl Crit +10 FE16.png Brawl Crit +10 FE16 brawl icon.png S -
Fistfaire FE16.png Fistfaire FE16 brawl icon.png S+ -
Reason Lv 1 FE16.png Reason Lv 1 FE16 reason icon.png E+ -
Reason Lv 2 FE16.png Reason Lv 2 FE16 reason icon.png D+ Replaces Reason Lv 1
Reason Lv 3 FE16.png Reason Lv 3 FE16 reason icon.png C+ Replaces Reason Lv 2
Reason Lv 4 FE16.png Reason Lv 4 FE16 reason icon.png B+ Replaces Reason Lv 3
Reason Lv 5 FE16.png Reason Lv 5 FE16 reason icon.png A+ Replaces Reason Lv 4
Black Magic Range +1 FE16.png Black Magic Range +1 FE16 reason icon.png S -
Black Tomefaire FE16.png Black Tomefaire FE16 reason icon.png S+ -
Faith Lv 1.png Faith Lv 1 FE16 faith icon.png E+ -
Faith Lv 2.png Faith Lv 2 FE16 faith icon.png D+ Replaces Faith Lv 1
Faith Lv 3.png Faith Lv 3 FE16 faith icon.png C+ Replaces Faith Lv 2
Faith Lv 4.png Faith Lv 4 FE16 faith icon.png B+ Replaces Faith Lv 3
Faith Lv 5.png Faith Lv 5 FE16 faith icon.png A+ Replaces Faith Lv 4
White Magic Range +1 FE16.png White Magic Range +1 FE16 faith icon.png S -
White Tomefaire FE16.png White Tomefaire FE16 faith icon.png S+ -
Authority Lv 1.png Authority Lv 1 Innate -
Authority Lv 2.png Authority Lv 2 FE16 authority icon.png D+ -
Authority Lv 3.png Authority Lv 3 FE16 authority icon.png C+ Replaces Authority Lv 2
Authority Lv 4.png Authority Lv 4 FE16 authority icon.png B+ Replaces Authority Lv 3
Authority Lv 5.png Authority Lv 5 FE16 authority icon.png A+ Replaces Authority Lv 4
Battalion Vantage FE16.png Battalion Vantage FE16 authority icon.png C -
Defensive Tactics FE16.png Defensive Tactics FE16 authority icon.png B -
Offensive Tactics FE16.png Offensive Tactics FE16 authority icon.png S+ -
Weight -3 FE16.png Weight -3 FE16 heavy armor icon.png C -
Combat Art Icon FE16 Special.png Smite FE16 heavy armor icon.png B -
Weight -5 FE16.png Weight -5 FE16 heavy armor icon.png A Replaces Weight -3
Armored Effect Null FE16.png Armored Effect Null FE16 heavy armor icon.png S+ -
Dexterity +4 FE16.png Dexterity +4 FE16 riding icon.png C -
Movement +1 FE16.png Movement +1 FE16 riding icon.png A+ -
Cavalry Effect Null FE16.png Cavalry Effect Null FE16 riding icon.png S+ -
Alert Stance FE16.png Alert Stance FE16 flying icon.png B -
Alert Stance+ FE16.png Alert Stance+ FE16 flying icon.png A+ Replaces Alert Stance
Flying Effect Null FE16.png Flying Effect Null FE16 flying icon.png S+ -

Recruitment[edit | edit source]

Catherine can be recruited from Chapter 4 to the end of the Academy Phase if Byleth is teaching the Blue Lions or Golden Deer house and Byleth has a high enough level. The player can decrease the required threshold if they have had a support rank with her.

In the Black Eagles route, should the player side with the Church of Seiros during Chapter 11, Catherine will be automatically recruited in the next chapter, even if Byleth's level does not meet the required threshold by this time. Otherwise, if the player chooses to teach the Black Eagles house, Catherine cannot be recruited whatsoever.

Support Rank Level
None 15
C 12
C+ 9
B 6
B+ 3
A Any

Overall[edit | edit source]

Secret Book (Artwork).png
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.

Catherine is a powerful physical attacker right out of the gate, having good speed and strength that only get better as she levels up, along with a decent amount of health. Her dexterity growth can be a bit shaky, though, and it starts considerably lower than her strength and speed, so she can sometimes have accuracy problems (which aren't helped by Thunderbrand being an innately inaccurate weapon). However, besides the aforementioned stats, Catherine's growths are unremarkable, especially in terms of her defenses, meaning any blows that hit her are going to hurt, and she won't be the best at dodging due to sub-par luck. Her personal skill can compensate for this, however, by causing her to take reduced damage when she doesn't have a battalion; it's generally better for her to have a battalion whenever possible, but Fighting Spirit will ensure she isn't as vulnerable if hers is forced to retreat.

One major issue with Catherine is her skill proficiencies; she might be strong with Swords and Brawling, but due to having no other strengths, a weakness in Reason, and due to War Master being unavailable to her, it can be very tricky trying to promote her to any of the Master-tier classes, especially Mortal Savant. It is likely that the player will want to keep her as a Swordmaster since it is the best class for her to utilize Thunderbrand and synergizes well with her growth rates. Training up her Brawling skill can still be useful, giving her access to Healing Focus, but she sadly cannot become a Brawler, Grappler or War Master. The release of Cindered Shadows, however, grants her access to a Brawling class in the form of War Cleric. The Brawling Combat Arts she learns all grant high avoid which, when combined with Brawl Avoid +20 from class mastery, allows her to easily dodge enemy counterattacks. Additionally, because the player will have to invest in Catherine's Faith to access this class, she becomes an extra source of healing in the event there aren't any enemies for her to fight. It can also be worthwhile to temporarily downgrade her to classes like Mercenary to get Vantage and train her in other weapons to get helpful skills. Training her in Bows, for instance, could let her temporarily become an Archer for the Hit +20 skill, something that can help her accuracy issues, while training her in Axes to make her a Brigand can give her Death Blow to further augment her impressive damage output. However, one should try to concentrate her goals on Sword in order to reach the S+ rank and acquire Swordfaire, which will be a substantial boost to her damage in both the player and enemy phases. If one is truly diligent (though this will likely require the use of New Game+), one could try training Catherine in Flying in order to get Alert Stance+. Combined with Sword Lvl 5, this would allow Catherine to dodge many attacks, though this will likely require training in Lance or Axe as well to access Pegasus Knight or Wyvern Rider.

Overall, Catherine fills in a similar role as other Swordmasters from previous titles such as Karel, Lucia, or Say'ri, providing a powerful offensive presence. When using Thunderbrand or a Wo Dao, Catherine can easily cut down most foes, or at least inflict severe damage.

Gift List[edit | edit source]

Gift Name Type of Gift Description Rank
Whetstone Favorite A stone used to sharpen the blades of swords or lances. Appreciated by those who enjoy weapon maintenance. ★★
Training Weight Favorite A weight that you can strap to your back to build muscle. Appreciated by those who enjoy weight training.hey can be worn decoratively. Appreciated by most ladies and those who like gardening. ★★★
Legends of Chivalry Favorite Stories of knights proving their heroism with brave deeds. Appreciated by those who like reading or admire knights. ★★★
Blue Cheese Favorite A pungent cheese with a very distinctive taste. Appreciated by lovers of food and drink. ★★★★
Owl Feather Favorite A feather from a messenger owl that can be used in a variety of ways. Appreciated by everyone. ★★★
Gemstone Beads Dislike Small, sparkling beads for sewing into fabric. Appreciated by fans of embroidery and handicraft.
Armored Bear Stuffy Dislike A fluffy stuffed bear wearing distinguished armor. Appreciated by those who love animals or cute things. ★★★
Arithmetic Textbook Dislike A textbook for studying arithmetic with everyday examples of its use. Appreciated by those who enjoy studying. ★★★

Lost Items[edit | edit source]

Lost Item Description
Weathered Cloak A thick, but rather worn-out, cloak. It probably belongs to someone who battles enemies outdoors.
Letter to Rhea A letter that seems to be written to Rhea. It probably belongs to someone with a deep connection to Rhea.
Badge of Graduation A badge awarded for graduation from the Garreg Mach Officers Academy. It probably belongs to a graduate.

Tea Party Conversations[edit | edit source]

See also: Catherine/Tea Party

Supports[edit | edit source]

See also: Catherine/Supports

Fire Emblem Heroes[edit | edit source]

Thunder Knight
A member of the Knights of Seiros and wielder of the Hero's Relic Thunderbrand. She deeply reveres Archbishop Rhea. Appears in Fire Emblem: Three Houses.

Base Stats[edit | edit source]

Rarity: ✯✯✯✯✯

Catherine Heroes sprite.pngTitle
Thunder Knight
Group
Heroes Infantry.png Infantry
LevelHPAtkSpdDefRes
1
40
18/19/20
40/43/46
8/9/10
36/39/43
10/11/12
38/41/45
7/8/9
26/30/33
5/6/7
20/23/26
SkillsWeapon
FEH skill offense.png Thunderbrand
FEH skill special.png Dragon Gaze
FEH Sword.png Sword

Skills[edit | edit source]

TypeNamePrerequisiteDefaultUnlocked
FEH skill offense.pngIron Sword---
Steel Sword---
Silver Sword---
ThunderbrandThunderbrandFEH Star Rarity 5.png-
FEH skill special.pngDragon Gaze---
Draconic AuraDragon Gaze--
AFEH Death Blow 1.png Death Blow 1--
FEH Swift Sparrow 1.png Swift Sparrow 1FEH Darting Blow 1.png Darting Blow 1-
FEH Swift Sparrow 2.png Swift Sparrow 2FEH Swift Sparrow 1.png Swift Sparrow 1FEH Star Rarity 5.png
FEH Swift Sparrow 3.png Swift Sparrow 3FEH Swift Sparrow 2.png Swift Sparrow 2FEH Star Rarity 5.png
BFEH Lull Spd Def 1.png Lull Spd/Def 1-FEH Star Rarity 3.png
FEH Lull Spd Def 2.png Lull Spd/Def 2FEH Lull Spd Def 1.png Lull Spd/Def 1-
FEH Lull Spd Def 3.png Lull Spd/Def 3FEH Lull Spd Def 2.png Lull Spd/Def 2FEH Star Rarity 5.png

Overall[edit | edit source]

Secret Book (Artwork).png
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[edit | edit source]
Counters[edit | edit source]
Skill Inheritance[edit | edit source]

Quotes[edit | edit source]

Three Houses[edit | edit source]

Catherine/Quotes

Heroes[edit | edit source]

Catherine/Heroes Quotes

Possible Endings[edit | edit source]

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"Just a minute! The following section contains spoilers, viewing it will cost a lot. Are you prepared to pay for it?"

Catherine - Free Knight (Verdant Wind / Silver Snow*)

Catherine left the Knights of Seiros and set out to travel across Fódlan. With Thunderbrand in hand, she wandered the countryside, seeking always to defend the innocent and punish the wicked. Her many years of heroics ensured that she would always be remembered by the people as a beloved folk hero.

Catherine - Guardian of Zanado (Azure Moon / Silver Snow**)

When Rhea resigned her position of archbishop and left the Church of Seiros, Catherine followed. She devoted herself wholly to Rhea's protection, and the two lived a life of quiet seclusion. Though Thunderbrand remained always by her side, she came to be known by a different name: the Guardian of Zanado.

Catherine and Byleth (Verdant Wind / Silver Snow)

Byleth announced his marriage to Catherine shortly after becoming leader of the United Kingdom of Fodlan. While the king focused on the rebuilding effort, Catherine worked as his bodyguard, and when the situation called for military force, she mobilized the troops and went to battle. Under her watchful eye, Fodlan entered a new era of peace. A common saying among the people was that the king of Fodlan had two weapons: the Sword of the Creator, and his fearsome wife.

Catherine and Byleth (Azure Moon)

Byleth announced his marriage to Catherine shortly after becoming archbishop of the Church of Seiros. While the archbishop focused on the rebuilding effort, Catherine worked as his bodyguard, and when the situation called for military force, she mobilized the troops and went to battle. Under her watchful eye, Fodlan entered a new era of peace. A common saying among the people was that the king of Fodlan had two weapons: the Sword of the Creator, and his fearsome wife.

Catherine and Linhardt (Verdant Wind / Silver Snow*)

Catherine left the Knights of Seiros and set out to travel across Fódlan. With Thunderbrand in hand, she wandered the countryside, seeking always to defend the innocent and punish the wicked. During these years of heroics, she had an unusual traveling companion in Linhardt, who had renounced his noble title and followed her. During their adventures, Catherine was said to be nearly unstoppable, and Linhardt all but useless—except in moments of great need, when the Crest scholar's wisdom would suddenly carry the day. The pair's adventures lived on as beloved folktales, passed down through the generations. It is unclear whether the two were ever romantically involved.

Catherine and Linhardt (Azure Moon / Silver Snow**)

When Rhea absconded her post as archbishop, Catherine resigned from the Knights of Seiros and accompanied her to a life of seclusion in the Red Canyon. They were joined by Catherine's new husband, Linhardt, who continued his Crest research at Catherine's behest. Motivated by his wife, and freed from all other distractions, Linhardt made new discoveries at an astonishing rate. The fruits of his research brought about dramatic changes in the world of Crest research, but for the sake of his privacy, Linhardt always published his papers anonymously.

Catherine and Caspar (Verdant Wind / Silver Snow*)

Catherine resigned from the Knights of Seiros and traveled across Fódlan with Caspar. They dedicated themselves to defending the helpless wherever they went, and in time, the names Thunder Catherine and Inferno Caspar were known to all the world. Legends of their adventures became so popular and well-known that even catchphrases such as "Face the wrath of Thunderbrand!" and "Hey, that's not your sword!" were recounted in the stories that were passed down for generations.

Catherine and Caspar (Azure Moon / Silver Snow**)

When Rhea absconded her post as archbishop, Catherine resigned from the Knights of Seiros and followed in order to protect her. They were joined by Catherine's new husband, Caspar, who had the same goal, and together they retired to a life of seclusion in the Red Canyon. Caspar and Catherine spent the bulk of their days farming and hunting, but since neither was content to go a day without wielding a weapon, they sparred routinely. The sound of their swords ringing out, in time with Caspar's heated cries, was heard daily across the valley.

Catherine and Dimitri

Dimitri assumed the throne of the Holy Kingdom of Faerghus and spent his life ruling justly over Fódlan. Two years after his coronation, he announced his marriage to Catherine. The people speculated wildly about how this union came to be. Some said that Dimitri spent two full years wooing her, while others suggested that the matter was resolved by a duel. In any case, the couple worked tirelessly to reform the Kingdom, but despite their busy days, it is said that they always found time for sparring, and that the clash of steel could be heard throughout the castle at all hours.

Catherine and Ashe (Verdant Wind / Silver Snow*)

After the war, Ashe was formally knighted and appointed the new head of House Gaspard, which had no successors. He asked Catherine, who had left the Knights of Seiros, to marry him, but she declined, convinced that the people of Gaspard territory would never accept it. Refusing to set his love or Catherine aside, Ashe worked diligently along with the Church of Seiros to expose the full truth of the Western Church's plot. With great persistence, he convinced the people of this truth, and then persuaded Catherine finally to reconsider. The people received her reluctantly at first, but over time, they recognized her virtue and came to accept her.

Catherine and Ashe (Azure Moon / Silver Snow**)

When Rhea resigned her position of archbishop and left the Church of Seiros, Catherine followed, and the pair began a life of seclusion in the Red Canyon. Years later, they began to hear rumors of a wise young man who had been knighted and appointed lord of House Gaspard. Soon they were approached by that lord, Ashe, who came to the Red Canyon to kneel before Catherine and ask her to be his wife. With Rhea's encouragement, Catherine was persuaded to accept. She left the Red Canyon with him, and the two began their journey together.

Catherine and Lorenz (Verdant Wind / Silver Snow*)

As the new head of House Gloucester, Lorenz first worked to restore his own territory, and then expanded his vision to include reforms for all Fódlan. At the height of his storied political career, he announced his marriage to Catherine, the former Knight of Seiros. Catherine had left Garreg Mach behind for a life of freedom, but was eventually persuaded to accept Lorenz's passionate marriage proposal. Even after joining House Gloucester and returning to a life among the nobility, however, it is said that Catherine much preferred relaxing in a tavern to dressing up for court.

Catherine and Lorenz (Azure Moon / Silver Snow**)

As the new head of House Gloucester, Lorenz first worked to restore his own territory, and then expanded his vision to include reforms for all Fódlan. At the height of his storied political career, he announced his marriage to Catherine, the former Knight of Seiros. Catherine had been living a quiet life of seclusion with Rhea in the Red Canyon, and it was the encouragement of the former archbishop that persuaded her to accept Lorenz's ardent marriage proposal. Even after joining House Gloucester, however, it is said that Catherine never lost sight of her lifelong oath to guard and watch over Rhea.

Catherine and Seteth (Verdant Wind / Silver Snow*)

After the war, Seteth fully confessed his love to Catherine and asked her to marry him. Refusing to remain at the monastery, however, Catherine declined. Over the years, as Seteth worked to rebuild the church, he continued to write love letters to Catherine. Her answer was always the same. Finally, when the rebuilding effort was complete, Seteth left the church and went to see her, declaring his love anew. With no more reason to refuse him, she at last accepted his proposal. The two were wed, and swore to walk side by side together through the new age.

Catherine and Seteth (Azure Moon / Silver Snow**)

After the war, Seteth fully confessed his love to Catherine and asked her to marry him. Intending to accompany Rhea to a life of seclusion, however, Catherine declined. Over the years, as Seteth worked to rebuild the church from the monastery, he continued to write love letters to Catherine. When the rebuilding effort was complete, he journeyed to the Red Canyon, where she and Rhea had been living, and delivered all of his letters by hand. Catherine was deeply moved, and with Rhea's blessing and no more reason to refuse him, she accepted his proposal. The two were wed and lived out their lives happily alongside Rhea.

Catherine and Alois

Alois officially took up the title of captain of the Knights of Seiros. In this new role, he led the knights to many victories, and was much beloved. At the same time, he developed a reputation for gullibility, and his subordinates began to play tricks on him regularly. To help him deal with this, Catherine volunteered her services as an adviser. She kept a look out for him, and put a stop to these antics before they began. The combination of the kindly captain and the intimidating wielder of Thunderbrand proved strong, and the Knights of Seiros prospered.

Catherine and Shamir

After quitting the Knights of Seiros, Catherine and Shamir set out on a lifelong journey together. The pair were inseparable as they traveled across Fódlan, and eventually wound up in Shamir’s homeland of Dagda. They faced many hardships on their adventures, some of which were self-inflicted, as the duo had a way of sticking their noses into others’ business in their efforts to right wrongs. It is said, however, that no foe they encountered ever proved a match for the combined might of Shamir’s marksmanship and Catherine’s Thunderbrand.


* Requires Byleth to not achieve an A Support or higher with Rhea.
** Requires Byleth to have an A Support or higher with Rhea.
"End of spoilers. It's a pleasure doing business with you!"

Non-Canon Appearances[edit | edit source]

Fire Emblem 0 (Cipher)[edit | edit source]

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

Etymology[edit | edit source]

Catherine comes from the earlier Greek name Hekaterine, which derives from hekateros "each of the two". Originated from the goddess Hecate; it's related to Greek aikia "torture"; or a Coptic name meaning "my consecration of your name".

In the early Christian era it became associated with Greek katharos "pure". The name was borne by a legendary 4th-century saint and martyr, Saint Catherine, from Alexandria who was tortured on a spiked wheel.

The name Cassandra comes from the Greek name Κασσανδρα (Kassandra), derived from possibly κεκασμαι (kekasmai) meaning "to excel, to shine" and ανηρ (aner) meaning "man" (genitive ανδρος). In Greek myth Cassandra was a Trojan princess, the daughter of Priam and Hecuba. She was given the gift of prophecy by Apollo, but when she spurned his advances he cursed her so nobody would believe her prophecies.

Trivia[edit | edit source]

CG artwork of Crimson Flower Catherine S-Support

  • Catherine has an unused artwork depicting her S-Support with Byleth in the Crimson Flower route, suggesting that she was initially able to join the Black Eagle Strike Force but was later scrapped.
  • Despite the name of her signature weapon Thunderbrand, her Reason Magic is geared towards Fire Magic rather than Thunder.
  • Catherine, Cyril, Seteth, Gilbert and Jeritza are the only characters (excluding the houses leaders and their retainers) that won't join the army if a specific house is chosen.
    • In Catherine's case, as well as Cyril and Seteth's, she won't join the Black Eagles in the Crimson Flower route.
  • In chapter 3, even if Catherine says that she'll fight Lonato, she'll never engage him directly.
  • In a survey conducted by Famitsu Magazine, Catherine placed 18th for females and 37th overall with 71 votes in the character popularity poll for Fire Emblem: Three Houses.
  • Catherine shares her English voice actress, Laura Post, with Silvia (from Genealogy of the Holy War) in her appearance in Fire Emblem Heroes.
  • Catherine uses a white color palette for her classes.

Gallery[edit | edit source]

See main article: Catherine/Gallery.
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