Fiendish Blow

Fiendish Blow is a Skill that debuted in Fire Emblem: Three Houses. It is parallel to Death Blow, but instead increases the user's Magic during combat.

Stats

Name	Activation	Capacity
Fiendish Blow	Passive	-
Effects	If unit initiates combat, grants Mag +6 during combat.
Users	Mastery Skill of Mage

Fire Emblem	Main Games	Genealogy of the Holy War - Thracia 776 - The Sacred Stones - Path of Radiance - Radiant Dawn - Awakening - Fates (personal) - Echoes: Shadows of Valentia - Three Houses - Engage
Fire Emblem	Spin-Off Games	Heroes - Warriors - Warriors: Three Hopes - Tokyo Mirage Sessions ♯FE
TearRing Saga	Utna Heroes Saga - Berwick Saga

Personal Skills	Aching Blood - Bibliophile - Bloodthirst - Born Steward - Bushido - Calm - Capture - Chivalry - Collector - Competitive - Countercurse - Daydream - Devoted Partner - Divine Retribution - Draconic Heir - Evasive Partner - Fancy Footwork - Fearsome Blow - Fierce Counter - Fierce Mien - Fierce Rival - Fiery Blood - Forager - Forceful Partner - Fortunate Son - Gallant - Goody Basket - Guarded Bravery - Haiku - Healing Descant - Highwayman - In Extremis - Icy Blood - Kidnap - Lily's Poise - Lucky Charm - Make a Killing - Miraculous Save - Mischievous - Misfortunate - Morbid Celebration - Noble Cause - Nohr Enmity - Optimist - Optimistic - Opportunist - Peacebringer - Perfect Pitch - Perfectionist - Perspicacious - Playthings - Pride - Pyrotechnics - Pragmatic - Prodigy - Puissance - Quiet Strength - Rallying Cry - Reciprocity - Rose's Thorns - Sisterhood - Shuriken Mastery - Supportive - Sweet Tooth - Triple Threat - Unmask - Vendetta - Vow of Friendship - Wind Disciple
Class Skills	Air Superiority - Amaterasu - Armored Blow - Awakening - Better Odds - Camaraderie - Certain Blow - Clarity - Countermagic - Dancing Blade - Darting Blow - Death Blow - Draconic Hex - Dragon Fang - Dragon Ward - Dual Striker - Dual Guardsman - Duelist's Blow - Elbow Room - Even Better - Even Keel - Evenhanded - Foreign Princess - Future Sight - Gentilhomme - Golembane - Good Fortune - Grisly Wound - Heartseeker - Heavy Blade - Hoshidan Unity - Household Cure - Inspiration - Inspiring Song - Iron Will - Life and Death - Live to Serve - Lunge - Malefic Aura - Natural Cover - Nobility - Nohrian Trust - Odd Shaped - Opportunity Shot - Poison Strike - Potent Potion - Profiteer - Quick Draw - Quixotic - Rend Heaven - Replicate - Rifled Barrel - Savage Blow - Salvage Blow - Seal Defense - Seal Magic - Seal Resistance - Seal Speed - Seal Strength - Shelter - Shurikenbreaker - Shurikenfaire - Sing - Skilltaker - Speedtaker - Spendthrift - Strengthtaker - Strong Riposte - Swap - Surefooted - Survey - Tactical Advice - Trample - Toxic Brew - Veteran Intuition - Voice of Peace - Warding Blow - Wary Fighter - Witch's Brew

Personal Abilities	Professor's Guidance (+) - Imperial Lineage (+) - Leicester Lineage (+) - Royal Lineage (+) - Officer Duty - Songstress - Confidence - Persecution Complex - Born Fighter - Catnap - Hunter's Boon - Staunch Shield - Lockpick - Philanderer - Lady Knight - Distinguished House - Advocate - Goody Basket - Animal Friend - Rivalry - Infirmary Master - Fighting Spirit - Guardian - Veteran Knight - Survival Instinct - Blade Breaker - Murderous Intent - Business Prosperity - Honorable Spirit - King of Grappling - Circadian Beat - Monstrous Appeal - Sacred Power - Agarthan Technology - Mighty King of Legend - 10 Elites
Standard Abilities	Alert Stance - Anchor - Ancient Dragon Wrath - Armored Effect Null - Axe Avoid +20 - Axe Critical +10 - Axe Prowess - Authority Prowess - Battalion Desperation - Battalion Renewal - Battalion Vantage - Battalion Wrath - Barrier - Black Magic Avoid +20 - Black Magic Critical +10 - Black Magic Range +1 - Black Magic Uses × - Black Tomefaire - Bow Avoid +20 - Bow Critical +10 - Bow Prowess - Brawl Avoid +20 - Brawl Critical +10 - Brawling Prowess - Cavalry Effect Null - Cursed Power - Dark Magic Avoid +20 - Dark Magic Critical +10 - Dark Magic Range +1 - Dark Magic Uses × - Dark Tomefaire - Defensive Tactics - Defiant Avoid - Defiant Critical - Defiant Magic - Defiant Strength - Dragon Effect Null - Faith Prowess - Fiendish Blow - Fire - Fistfaire - Flying Effect Null - General/Commander - Godspeed Preparation - Heal - Infantry Effect Null - Infinite Magic - Keen Intuition - Lance Avoid +20 - Lance Critical +10 - Lance Prowess - Miasma Δ - Model Leader - Monster Effect Null - Noncombatant - Offensive Tactics - Poison - Pomp & Circumstance - Rally Charm - Reason Prowess - Seal Magic - Seal Movement - Seal Strength - Stealth - Surging Light - Sword Avoid +20 - Sword Critical +10 - Sword Prowess - Twin Crests - Weight - - White Magic Avoid +20 - White Magic Critical +10 - White Magic Heal + - White Magic Range +1 - White Magic Uses × - White Tomefaire - Unarmed Combat - Unsealable Magic

Personal Skills	Divinely Inspiring - Alabaster Duty - Verdant Faith - Crimson Cheer - Self-Improver - Energized - Moved to Tears - Gentle Flower - Admiration - Fairy-Tale Folk - Fair Fight - Aspiring Hero - Meditation - Get Behind Me! - Generosity - Share Spoils - Trained to Kill - Will to Win - Single-Minded - Blinding Flash - Not Quite - Big Personality - Stunning Smile - Disarming Sigh - Weapon Insight - Racket of Solm -Knightly Escort - Blood Fury - Charmer - Seconds? - Party Animal - Curious Dance - Fell Protection - Contemplative - Protective - Wounded Pride - Friendly Boost - Survival Plan - Knightly Code
Class Skills	Divine Spirit - Golden Lotus - Grasping Void - World Tree - Sandstorm - Back at You - Fell Spirit - Resist Emblems - Spur Emblems - Hobble - Diffuse Healer - Self-Healing - Spell Harmony - Chaos Style - Brave Assist - Run Through - Pincer Attack - Reforge - Smash+ - Merciless - No Distractions - Careful Aim - Clear the Way - Air Raid - Allied Defense - Soulblade - Dark Spirit - Convoy - Let Fly - Frost Domain - Pack Hunter - Miasma Domain
Standard Skills	Sword Agility - Tome Precision - Lance Power - Build + - Knife Precision - Sword Power - Bow Focus - Dodge + - Lance Agility - Axe Power - Staff Mastery - Bow Agility - Sword Focus - Art Focus - HP/Lck + - Special Guard - Assembly Gambit - Str/Dex + - Bow Guard - Str/Def +1 - Axe Guard - Mag/Res + - Magic Guard - Spd/Res + - Lance Guard - Spd/Dex + - Sword Guard - Mag/Dex + - Knife Guard - Cornered Beast - Spirit Strike - Bond Breaker - Stalwart - Unwavering - Unbreakable - Dark Barrier - Fell Barrier - Sigil Protection
Emblem Skills	Perceptive - Break Defenses - Unyielding - Holy Stance - Resonance - Favorite Food - Momentum - Headlong Rush - Arms Shield - Hold Out - Advance - Eclipse Brace - Night and Day - Gentility - Bravery - Blue Skies - Demolish - Cleric - Healing Light - Silence Ward - Dual Strike - Dual Assist - Dual Support - Quality Time - Pair Up - Mentorship - Lost & Found - Holy Aura - Bond Forger - Holy Shield - Boon of Elyos - Starsphere - Geosphere - Lifesphere - Lightsphere - Gambit - Friendly Rivalry - Lineage - Weapon Sync - Adaptability - Heavy Attack - Piercing Glare - Assign Decoy - Anima Focus - Keen Insight - Block Recovery - Decisive Strike - Detoxify - Groundswell - Surprise Attack - Brute Force - Book of Worlds - Level Boost - SP Conversion - Divine Speed - Echo - Gallop - Rise Above - Call Doubles - Sacred Twins - Laguz Friend - Augment - Bonded Shield - Instruct - Attuned - Draconic Form - Combat Arts - Impenetrable - Soar - Other Half - Contract - Lodestar Rush - Warp Ragnarok - Override - Quadruple Hit - Blazing Lion - Astra Storm - Twin Strike - Great Aether - Great Sacrifice - All for One - Torrential Roar - Goddess Dance - Dragon Blast - Divine Blessing - Houses Unite - Storm's Eye - Cataclysm - Dark Inferno - Giga Levin Sword - Summon Hero
Bond Ring Skills	Sympathetic - Deadly Blade - Great Thunder - Battlewise - Dire Thunder - Raging Fire - Giga Excalibur - Wind Adept - Flickering Flower - Paraselene - Wind God

Personal Skills	Action Abilities	Azure Lightning - Careful Study - Cold Calculation - Courageous Aria - Cursed Expulsion - Dark Conjuration - Deceit - Demolisher - Divine Caprice - Divine Pulse - Dreamer's Paintbrush - Duality - Dustcloud - Easy Breezy - Galvanic Surge - Golden Fists - Gordian Stroke - Icy Plunge - Intense Velocity - Lightning Bound - Luminous Prayer - Martial Prowess - Maximum Ambulation - Nether Sigh - One for the Books - Personal Space - Personality Shift - Prismatic Resonance - Pure Brawn - Purifying Rain - Quietus - Radiant Love - Rondo of Roses - Shadowflash - Snowslip - Solar Prominence - Thunderous Refrain - Twofold Ruin -Wicked Impulse - Wind Stance - Windstorm - Windswept
	Support Abilities	Adept Flirt - Agarthan Arcana - Ashen Demon - Captain's Grit - Emergent Magic - Emperor's Prestige - Fists of Justice - Heavensent - King's Might - Leader's Acumen - Mortal Coil - Name Drop - Natural Warrior - Nothing to Report - Overachiever - Perception - Power of the Saints - Right-Hand Man - Sacrosanct - Schemer - Shrewd Operator - Unsought Power
	Tactical Abilities	Ambition - Center Stage - Deadly Aim - Delicate Flower - Devotion - Eager Blade - Foresight - Hand of Time - Healthy Curiosity - Heart's Desire - King's Lance - Knight's Oath - Life and Limb - Logician - Makings of a Merc - Master of Concealment - Mercenary Creed - Merciful Auspices - Obliteration - Nature's Wrath - Noble Duty - Noble Pride - Officer's Duty - Outland Technique - Perfect Memory - Polymath - Power of Night - Raging Tempest - Ray of Sunshine - Reign - Resolute Path - Reverence - Sworn Lance - Second-in-Command - Soldier's Honor - True Champion - Unbending Spirit - Unfeeling Blade - Valiant Bloodline - Veteran Commander - Vigilant Gaze - Virtuoso
Standard Skills	Absorb Charm - Absorb Defense - Absorb Dexterity - Absorb Luck - Absorb Magic - Absorb Resistance - Absorb Speed - Absorb Strength - Adjutant's Benefit - Aggression - Appraisal - Archer's Ploy - Archer's Wisdom - Armored Cavalry's Ploy - Armored Cavalry's Wisdom - Armored Infantry's Ploy - Armored Infantry's Wisdom - Awakening Assist - Apex Axe - Apex Bow - Apex Gauntlet - Apex Lance - Apex Sword - Apex Tome - Axe Buster - Backbone - Battle Instincts - Big Game Hunter - Black Magic+ - Black Magic Mastery - Blessed Breath - Boost Critical - Bow Buster - Brawler's Ploy - Brawler's Wisdom - Burst of Resolve - Burst of Valor - Carpe Diem - Cavalry Buster - Charm Catalyst - Concentration - Counterbreak - Counterstrike - Covenant - Crestological Wisdom - Cyclical Awakening - Cyclical Specials - Dark Assist - Dark Mage's Ploy - Dark Mage's Wisdom - Dark Magic+ - Dark Magic Mastery - Deadly Scythe - Dexterity Catalyst - Domineer - Driven Spirit - Dual Onslaught - Dual Wielder's Ploy - Emperor's Ploy - Essence of Darkness - Essence of Fire - Essence of Ice - Essence of Light - Essence of Lightning - Essence of Wind - Exalted Breath - Expert Guard - Fire Assist - Flyswatter - Forethought - Gather - Gauntletbreaker - Gauntlet Buster - Goddess's Blessing - Goddess's Vessel - Grievous Blow - Harmonious Specials - Heavy Hitter - Heaviest Hitter - Ice Assist - Impair - Impossible Feat - Impregnable - Inspiring Agility - Ironclad - Item Expertise - Kinship - King's Ploy - Knight's Ploy - Knight's Wisdom - Knucklebreaker - Lance Buster - Leader's Ploy - Lifeforce - Light Assist - Lightning Assist - Luck Catalyst - Mage's Ploy - Mage's Wisdom - Medical Expertise - Mercenary's Ploy - Mercenary's Wisdom - Magic Attack Range+ - Muster - One Heart One Mind - Panache - Pegasus Knight's Ploy - Pegasus Knight's Wisdom - Perspective - Piercing Cry - Piercing Gaze - Prepared to Die - Proficient Witstrike - Rally Deluxe - Range Master - Rebellious Spirit - Rejuvenation - Renewed Carnage - Resist Armor - Resist Axes - Resist Bows - Resist Cavalry - Resist Fliers - Resist Gauntlets - Resist Lances - Resist Monsters - Resist Swords - Resist Tomes - Priest's Ploy - Priest's Wisdom - Safeguard - Saint's Power - Savior of the Meek - Seasoned Tactics - Seeker of Greatness - Serene Stance - Sharpshooter - Shatter - Shining Guardian - Sneak Attack - Solitary Stand - Specials Master - Speed Catalyst - Spirited Seize - Stalwart Stance - Stormer of the Land - Swift Awakening - Sword Buster - Tableturner - Tenacity - The Creation - Thief's Ploy - Thief's Wisdom - Tome Buster - True Awakening - Trust - Undaunted - United Front - Vanguard's Benefit - Warrior Assist - Warrior's Ploy - Warrior's Wisdom - Wild Abandon - Wind Assist - White Magic+ - White Magic Mastery - Wyvern Rider's Ploy - Wyvern Rider's Wisdom

Assist Skills	Ardent Sacrifice - Draw Back - Frightful Dream - Future Vision - Gentle Dream - Gray Waves - Harsh Command - Maiden's Solace - Martyr - Mend - Physic - Pivot - Rally (Atk/Spd - Atk/Def - Atk/Res - Def/Res - Spd/Def - Spd/Res) - Rally Up (Atk - Spd - Res) - Reciprocal Aid - Reconcile - Rehabilitate - Reposition - Rescue - Restore - Return - Sweet Dreams - To Change Fate! - Whimsical Dream
Special Skills	Black Luna - Blazing (Flame - Light - Thunder - Wind) - Blue Flame - Bonfire - Brutal Shell - Buckler - Chilling Wind - Daylight - Deluge Balm - Draconic Aura - Dragon Gaze - Earthfire Balm - Earthwater Balm - Escutcheon - Fire Emblem - Fireflood Balm - Gifted Magic - Glacies - Glimmer - Glowing Ember - Growing (Flame - Light - Thunder - Wind) - Heavenly Light - Hero's Blood - Holy Vestments - Holy-Knight Aura - Ice Mirror - Iceberg - Imperial Astra - Kindled-Fire Balm - Lunar Flash - Mayhem Aether - Moonbow - Negating Fang - New Moon - Night Sky - Njörun's Zeal - Noontime - Open the Future - Radiant Aether - Regnal Astra - Reprisal - Requiem Dance - Retribution - Righteous Wind - Rising (Flame - Light - Thunder - Wind) - Ruptured Sky - Sacred Cowl - Seiðr Shell - Shining Emblem - Sirius - Solid-Earth Balm - Still-Water Balm - Swift-Winds Balm - Twin Blades - Umbra Blast - Umbra Calamity - Umbra Eruption - Windfire Balm
Passive Skills	Type A	Atk+ - Atk/Def+ - Atk/Res+ - Atk/Spd+ - Def+ - Def/Res+ - HP+ - HP/Atk+ - HP/Def+ - HP/Res+ - HP/Spd+ - Res+ - Spd+ - Spd/Def+ - Spd/Res+ - AR-D (Atk/Def - Atk/Res - Atk/Spd - Def/Res - Spd/Def - Spd/Res) - AR-O (Atk/Def - Atk/Spd - Spd/Res) - Ashera's Chosen - Blow (Bracing - Steady - Sturdy) - Bond (Atk/Def - Atk/Res - Atk/Spd - Def/Res - Spd/Def - Spd/Res) - Bonus Doubler - Boost (Earth - Fire - Water - Wind) - Brazen (Atk/Def - Atk/Res - Atk/Spd - Def/Res - Spd/Def - Spd/Res) - Breath (Darting - Fierce - Steady - Warding) - Catch (Atk/Def - Atk/Spd) - Close Counter - Close Defense - Defiant (Atk - Def - Res - Spd) - Distant Counter - Distant Defense - Dragonscale - Dragoon Shield - Duel (B Flying - B Infantry - C Calvary - C Infantry - G Flying - G Infantry - R Calvary - R Flying - R Infantry) - Flashing Blade - Foil (Close - Distant) - Form (Atk/Def - Atk/Res - Atk/Spd - Def/Res - Spd/Def - Spd/Res) - Fortress (Def - Res - Def/Res) - Fury - Grani's Shield - Heavy Blade - Ideal (Atk/Def - Atk/Res - Atk/Spd) - Laws of Sacae - Ostian Counter - Push (Atk/Def - Atk/Res - Atk/Spd) - Scendscale - Session (Blade - Shield) - Solo (Atk/Def - Atk/Res - Atk/Spd - Def/Res - Spd/Def - Spd/Res) - Sorcery Blade - Stance (Bracing - Darting - Fierce - Kestrel - Mirror - Steady - Sturdy - Swift - Warding) - Steady Posture - Strike (Mirror - Swift) - Svalinn Shield - Swift Sparrow - Triangle Adept - Unity (Atk/Def - Atk/Res) - Ward (Close - Distant)
	Type B	Aerobatics - Armored Wall - Atrocity - Belief in Love - Beorc's Blessing - Binding Necklace - Binding Shield - Black Eagle Rule - Blue Lion Rule - Brash Assault - Breaker (B Tome - Daggerbreaker - G Tome - R Tome) - Bushido - Cancel Affinity - Cantrip (Atk - Def - Res) - Chill (Atk - Atk/Def - Atk/Res - Atk/Spd - Def - Def/Res - Res - Spd - Spd/Def - Spd/Res) - Chilling Seal - Close Call - Crusader's Ward - Dance (Blaze - Caldera - Deluge - Dance - Fireflood - Firestorm - Gale - Geyser - Rockslide - Torrent) - Detailed Report - Dazzling Staff - Deadly Balance - Desperation - Disarm Trap - Dive-Bomb - Double Lion - Drag Back - Dragon Wall - Dragon's Ire - Dull (Close - Ranged) - Escape Route - Fallen Star - Far Trace (Atk/Def - Spd/Res) - Feint (Atk - Def - Res - Spd) - Fighter (Bold - Crafty - Daring - Slick - Special - Vengeful - Wary) - Flier Formation - Follow-Up (Even - Odd) - Follow-Up Ring - Freezing Seal - Guard Bearing - Hit and Run - Holy War's End - Killing Intent - Knock Back - Link (Atk/Def - Atk/Res - Atk/Spd - Def/Res - Spd/Def - Spd/Res) - Light and Dark - Live for Bounty - Live for Honor - Lull (Atk/Def - Atk/Res - Atk/Spd - Spd/Def - Spd/Res) - Lunar Brace - Moon-Twin Wing - Moonlight Bangle - Murderous Lion - Mystic Boost - Near Trace (Atk/Def - Spd/Def) - Null C-Disrupt - Null Follow-Up - Obstruct - Pegasus Flight - Prescience - Pulse Tie (Even - Odd) - Quick Riposte - Raging Storm - Recover Ring - Repel - Ruse (Atk/Def - Atk/Res - Atk/Spd - Def/Res - Spd/Def - Spd/Res) - S Drink - Sabotage (Atk - Def - Res - Spd) - Sacae's Blessing - Seal (Atk - Atk/Def - Atk/Res - Atk/Spd - Def/Res - Spd/Def - Spd/Res) - Shield Pulse - Snag (Atk/Def - Atk/Spd - Spd/Def - Spd/Res) - Solar Brace - Soul of Zofia - Special Spiral - Spurn - Sudden Panic - Sun-Twin Wing - Warp Powder - Watersweep - Windsweep - Wings of Mercy - Wrathful Staff - Wyvern Flight - Yune's Whispers - Yngvi Ascendant
	Type C	Air Orders - Armor March - Armored Stride - Breath of Life - Chaos Named - Close Guard - Distant Guard - Domain of Flame - Domain of Ice - Drive (Atk - Def - Res - Spd) - Even Wave (Atk - Def - Res - Spd) - Experience (Axe - B Tome - Beast - Bow - Dagger - G Tome - Lance - R Tome - Staff - Sword) - Far Save (Atk/Res) - Fatal Smoke - Flier Guidance - Fortify (Def - Res - Armor - Beasts - Calvary - Dragons - Fliers) - Gap (Atk/Def - Atk/Res - Atk/Spd - Def/Res) - Goad (Armor - Beasts - Calvary - Dragons - Fliers) - Ground Orders - Guidance - Hone (Atk - Spd - Armor - Beasts - Calvary - Dragons - Fliers) - Human Virtue - Impenetrable Dark - Infantry (Breath - Flash - Hexblade - Pulse - Rush) - Joint Drive (Atk - Res - Spd) - Joint Hone (Atk - Def - Res - Spd) - Menace (Atk/Def - Atk/Res - Atk/Spd - Def/Res) - Mila's Turnwheel - Near Save (Atk/Def - Def/Res) - Oath (Atk/Def - Atk/Res - Atk/Spd - Def/Res - Spd/Def - Spd/Res) - Odd Recovery - Odd Wave (Atk - Def - Res - Spd) - Opening (Atk - Def - Res - Spd) - Order's Restraint - Ostia's Pulse - Panic Ploy - Ploy (Atk - Def - Res - Spd) - Rein (Atk/Def - Atk/Res - Atk/Spd - Spd/Def - Spd/Res) - Smoke (Atk - Def - Panic - Pulse - Res - Spd) - Solitary Dream - Sparkling Boost - Spur (Atk - Atk/Def - Atk/Res - Atk/Spd - Def - Def/Res - Res - Spd - Spd/Def - Spd/Res) - Surtr's Menace - Tactic (Atk - Def - Res - Spd) - Tempest (Even - Odd) - Threaten (Atk - Atk/Def - Atk/Res - Atk/Spd - Def - Res - Spd) - Time's Pulse - Vision of Arcadia - Ward (Armor - Beasts - Calvary - Dragons - Fliers) - Wings of Light - With Everyone! - Valor (Axe - B Tome - Beast - Bow - Dagger - G Tome - Lance - R Tome - Staff - Sword)
	Sacred Seal Exclusive	Armored Boots - Deflect (Magic - Melee - Missile) - Embla's Ward - Gullinbursti - Hardy Bearing - Initiate (Atk - Def - HP - Res - Spd) - Múspellflame - Niðavellir Axiom - Phantom (Res - Spd) - Quickened Pulse - Røkkr - Seal (Blade - Boots - Charm - Elixir - Guardian - Horn - Veil) - Squad Ace Seals

Fiendish Blow

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