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Thrasir, general of the realm of the dead from Book III, appears in Fire Emblem Heroes as a Mythic Hero!
In this Mythic Hero summoning event, 5★ focus Heroes will have an initial appearance rate of 8%! (What's more, the appearance rate for regular 5★ Heroes will be set to 0%.)
Tap More for additional information about this event.
The next time these Mythic and Legendary Heroes will be available is as follows
・Thrasir: Omnicidal Witch - late December
・Yune: Chaos Goddess - late January
・Eir: Merciful Death - late December
・Hríd: Icy Blade - late December
・Eliwood: Blazing Knight - late January
・Eirika: Graceful Resolve - late February
・Ephraim: Legendary Lord - late January
• As of now, this is a limited-time opportunity to summon these Special Heroes. They may or may not appear again in a summoning event held in the future. Please note that they may appear as a different rarity or at a higher appearance rate.
• Heroes with different illustrations and epithets are treated as different Heroes even if they are the same character. As such, you cannot use them with Merge Allies.
• To view summoning details, you can tap on List of Heroes at the bottom of the related notification message or tap on Appearance Rates in the Summon menu.
Learning Skills
• You can help Heroes learn skills by going to Allies, then Ally Growth, and then Learn Skills.
• Some skills can only be learned after raising a Hero's ★ rating.
When you summon a Legendary Hero, you will get a Blessing item of the same element as the Legendary Hero.
Give this item to a Hero to receive the following benefits:
・ EXP and SP earned in battle will be doubled.
・ In the corresponding season, if the Hero is deployed along with the Legendary Hero, they will receive stat bonuses.
Example: During the Water season, a hero with a Water blessing deployed with Fjorm: Princess of Ice will get HP+3 and Spd+3.
Mythic Heroes will receive a Legendary Effect when deployed with a Legendary Hero in battles outside of Aether Raids during a season that matches both of their blessing types.
(Since Mythic Heroes cannot be deployed in Blessed Gardens, they are unable to receive a Legendary Effect there.)
About Seasons
Each season will feature two of the four elements: Water, Wind, Earth, and Fire.
| Time | Season |
|---|---|
| Starts |   |
| Starts |  |
| Starts |  |
| Starts | |
| Starts | |
The current season is displayed on the upper-left corner of the screen. It can also be checked on the various menus used to edit your teams.
Notes:
・ Once a Blessing item is used on an ally, it cannot be removed from that ally. (A blessing can be changed for another, but the first blessing will be lost when the second is set.)
・ A single ally cannot benefit from both a Legendary Effect and a Mythic Effect. (An effect can be changed for another, but the first effect will be lost when the second is set.)
・ Blessing items can also be obtained through certain in-game events and in other ways.
Mythic Heroes have one of four elements assigned to them and can support Heroes who have had that same element's blessing conferred on them.
When you summon a Mythic Hero, you will get a Blessing item of the same element as the Mythic Hero.
Give this item to a Hero to receive the following benefits:
・ EXP and SP earned in battle will be doubled.
・ In the corresponding season, if the Hero is deployed in Aether Raids along with a matching Mythic Hero, they will receive stat bonuses.
Mythic Heroes are useful for boosting Lift gain in Aether Raids.
〇 Light and Astra seasons
Effect during corresponding season:
1. If a Light- or Astra-type Mythic Hero and a Hero blessed with Light or Astra are deployed in Aether Raids, then the Lift acquired for successful attacks will be boosted.
Boost amount:
Mythic Heroes Count × Blessed Hero Count × 10
2. If a Light- or Astra-type Mythic Hero who is merged one or more times is deployed in Aether Raids, then the Lift acquired for successful attacks will be boosted.
Boost amount:
Mythic Hero Merge Count × 1
〇 Dark and Anima seasons
Effect during corresponding season:
3. If a Dark- or Anima-type Mythic Hero and a Hero blessed with Dark or Anima are deployed on defense in Aether Raids, then the Lift lost for unsuccessful defenses will be reduced.
Reduction amount:
Mythic Hero Count (Max of 2) × Blessed Hero Count × 5
4. If a Dark- or Anima-type Mythic Hero who is merged one or more times is deployed on defense in Aether Raids, then the Lift lost for unsuccessful defenses will be reduced.
Reduction amount:
Mythic Hero Merge Count (Max of 20) × 1
Additionally, since Legendary Heroes whose Legendary Effect matches the season effect can receive a Mythic Effect in the same way as Heroes who have been blessed with a Light, Dark, Astra, or Anima Blessing, they are counted as Blessed Heroes and recieve benefits 1 and 3 above when deployed in Aether Raids.
About Seasons
Each season will feature two of the four elements: Light and Dark or Astra and Anima.
| Time | Season |
|---|---|
| Starts |   |
| Starts |   |
| Starts | |
| Starts | |
| Starts | |
The current season is displayed on the upper-left corner of the screen. It can also be checked on the various menus used to edit your teams.
Notes:
・ Once a Blessing item is used on an ally, it cannot be removed from that ally. (A blessing can be changed for another, but the first blessing will be lost when the second is set.)
・ A single ally cannot benefit from both a Legendary Effect and a Mythic Effect. (An effect can be changed for another, but the first effect will be lost when the second is set.)
・ Blessing items can also be obtained through certain in-game events and in other ways.
General of the realm of the dead. At her queen's
command, this witch uses her powers to swell
the ranks of the dead.
Mythic Effect: Anima
Boost: HP+5, Def+5
Grants allies this Mythic Effect during Anima
season, if the Anima blessing has been conferred
and if this unit enters battle in Aether Raids with
them: Anima-blessed allies decrease the
Aetheric Lift lost for defense failures during
Anima season. (This decrease is limited to the
number of Mythic Heroes (Max: 2) × the number
of Heroes with the blessing conferred × 5.)
During Anima season, this Mythic Hero will
decrease Aetheric Lift loss for defense
failures depending on number of merges. (This
decrease is limited to the number of times the
units have been merged × 1 (Max: 20).)
Skills learnable at 5★:
Ífingr
Mt: 14 Range: 2
Effective against dragon foes. If unit is within 3
spaces of an ally, grants Atk/Spd/Def/Res+4
during combat and disables foe's skills that
guarantee foe's follow-up attack, but after
combat, if unit attacked, inflicts Atk/Spd/Def/
Res-4 on nearest ally through its next action.
This skill can only be equipped by its original unit.
Moonbow
Cooldown: 2
Treats foe’s Def/Res as if reduced by 30% during
combat.
Cannot use: 
Flashing Blade 4
If unit's Spd > foe's Spd, grants Special
cooldown charge +1 and deals +5 damage per
unit's attack. (Only highest value applied. Does
not stack.)
Cannot use: 
Killing Intent
At start of combat, if foe's HP < 100% or
if【Penalty】is active on foe, inflicts
Spd/Res-5 on foe, and if unit initiates combat,
unit can make a follow-up attack before foe
can counterattack.
【Penalty】
All effects that last "on foe through its next
action." Includes penalties inflicted by a skill
like Panic or Threaten and negative status
effects (preventing counterattacks, restricting
movement, or the effects of a skill like
Triangle Adept or Guard).
This skill can only be equipped by its original unit.
Panic Smoke
Inflicts【Panic】on target and foes
within 2 spaces of target after combat.
【Panic】
Converts bonuses on target into penalties
through its next action.
Cannot use:
A being that is half of the goddess Ashunera.
The goddess of chaos, who is said to have
thrown the world into disorder long ago.
Appears in Fire Emblem: Radiant Dawn.
Mythic Effect: Dark
Boost: HP+5, Spd+4
Grants allies this Mythic Effect during Dark
season, if the Dark blessing has been conferred
and if this unit enters battle in Aether Raids with
them: Dark-blessed allies decrease the
Aetheric Lift lost for defense failures during
Dark season. (This decrease is limited to the
number of Mythic Heroes (Max: 2) × the number
of Heroes with the blessing conferred × 5.)
During Dark season, this Mythic Hero will
decrease Aetheric Lift loss for defense
failures depending on number of merges. (This
decrease is limited to the number of times the
units have been merged × 1 (Max: 20).)
Skills learnable at 5★:
Chaos Manifest
Mt: 14 Range: 2
Grants Res+3. If a penalty inflicted by a skill like
Panic or Threaten and/or a negative status
effect (preventing counterattacks or restricting
movement) is active on foe, grants Atk+6
during combat and unit makes a guaranteed
follow-up attack.
This skill can only be equipped by its original unit.
Glacies
Cooldown: 4
Boosts damage by 80% of unit's Res.
Cannot use:
Atk/Res Bond 3
If unit is adjacent to an ally, grants
Atk/Res+5 during combat.
Sabotage Res 3
At start of turn, if any foe's Res ≤ unit's Res-3
and that foe is adjacent to another foe, inflicts
Res-7 on that foe through its next action.
Chaos Named
At start of turn, if foes within 3 columns
centered on unit have Res ≤ unit's Res-3,
inflicts -5 on the highest of those foes'
Atk/Spd/Def/Res through their next actions.
(When calculating highest stat, treats Atk
as -15. Calculates each stat penalty
independently.)
This skill can only be equipped by its original unit.
Imperial princess of the Emblian Empire.
Dressed as a bunny for the festival at her
brother Bruno's request.
Skills learnable at 5★:
Veðrfölnir's Egg
Mt: 14 Range: 2
Grants Spd+3. At start of combat, if unit's
HP ≥ 75%, grants Atk/Spd/Def/Res+4 during
combat.
This skill can only be equipped by its original unit.
Glimmer
Cooldown: 2
Boosts damage dealt by 50%.
Cannot use:
G Duel Flying 3
Grants HP+5. If unit is 5★ and level 40 and
unit's stats total less than 170, treats unit's
stats as 170 in modes like Arena.
(Higher-scoring opponents will appear.
Stat total calculation excludes any values
added by merges and skills.)
Cannot use: 
Chill Res 3
At start of turn, inflicts Res-7 on foe
on the enemy team with the highest
Res through its next action.
Princess of Hel, the realm of the dead. Dearly
loves her mother, Hel, who rules it. She finds
Hel's increasing mercilessness toward the living
disquieting.
Mythic Effect: Light
Boost: HP+5, Res+5
Grants allies this Mythic Effect during Light
season, if the Light blessing has been conferred
and if this unit enters battle in Aether Raids with
them: Light-blessed allies boost the Aetheric
Lift acquired for successful attacks during Light
season. (This boost is limited to the number of
Mythic Heroes × the number of Heroes with the
blessing conferred × 10.)
During Light season, this Mythic Hero will
boost Aetheric Lift acquisition for successful
attacks depending on number of merges. (This
boost is limited to the number of times the unit
has been merged × 1.)
Skills learnable at 5★:
Lyfjaberg
Mt: 14 Range: 2
Grants Res+3. At start of combat, if unit's HP ≥
50%, grants Atk/Spd+4 during combat, and if
unit initiates combat, foe cannot make a
follow-up attack. After combat, if unit attacked,
inflicts Def/Res-7 on target and foes within 2
spaces of target through their next actions, and
if bonus was granted to unit, deals 4 damage to
unit.
This skill can only be equipped by its original unit.
Iceberg
Cooldown: 3
Boosts damage by 50% of unit's Res.
Cannot use:
Swift Sparrow 2
If unit initiates combat, grants Atk/Spd+4 during
combat.
Cannot use:
Mystic Boost 3
Disables foe's skills that "calculate damage
using the lower of foe's Def or Res" and
"calculate damage from staff like other
weapons." Restores 6 HP after combat.
Sparkling Boost
At start of turn, restores 10 HP to ally that has
been dealt the most damage. (Excludes unit.)
This skill can only be equipped by its original unit.
A cleric from Novis. Introverted, but enjoying
her conspicuous clothing nevertheless. Appears
in Fire Emblem Echoes: Shadows of Valentia.
Skills learnable at 5★:
Toasty Skewer+
Mt: 12 Range: 2
If a foe initiates combat against an ally within
2 spaces of unit, grants Def/Res+3 to that ally
during combat.
Physic+
Range: 2
Restores HP = 50% of Atk. (Minimum of
8 HP.) Range = 2.
This skill can only be equipped by staff users.
Fireflood Balm+
Cooldown: 1
When healing an ally with a staff, grants
Atk/Res+6 to all allies for 1 turn.
This skill can only be equipped by staff users.
Wrathful Staff 3
Calculates damage from staff like other weapons.
This skill can only be equipped by staff users.
Def Opening 3
At start of turn, grants Def+6 to ally with the
highest Def for 1 turn. (Excludes unit.)
Unfortunate soul torn between both Nohr and
Hoshido, overtaken by the power lurking in her
blood. Appears in Fire Emblem Fates.
Skills learnable at 5★:
Savage Breath
Mt: 16 Range: 1
Grants Atk+3. Grants Atk/Spd/Def/Res+X.
(Calculates X based on number of allies within
2 spaces of unit: 0 allies grants +6; 1 ally
grants +4; 2 allies grants +2; ≥3 allies grants
+0.) If foe's Range = 2, calculates damage
using the lower of foe's Def or Res.
This skill can only be equipped by its original unit.
Dragon Fang
Cooldown: 4
Boosts damage by 50% of unit's Atk.
Cannot use:
Atk/Spd Solo 3
If unit is not adjacent to an ally, grants
Atk/Spd+6 during combat.
Sudden Panic 3
At start of turn, if any foe's HP ≤ unit's HP-1
and that foe is adjacent to another foe, inflicts
【Panic】on that foe.
【Panic】
Converts bonuses on target into penalties
through its next action.
Cannot use:
The eldest prince of Nifl, Kingdom of Ice.
With a steady, calm demeanor, he's always
prepared for danger.
Legendary Effect: Wind
Ally Boost: HP+3, Def+4
Grants allies this Legendary Effect
during Wind season, if the Wind
blessing has been conferred and if
this unit enters battle with them.
Skills learnable at 5★:
Gjöll
Mt: 16 Range: 1
Grants Atk+3. If a penalty inflicted by a skill like
Panic or Threaten and/or a negative status
effect (preventing counterattacks or restricting
movement) is active on foe, unit makes a
guaranteed follow-up attack and foe cannot.
This skill can only be equipped by its original unit.
Moonbow
Cooldown: 2
Treats foe’s Def/Res as if reduced by 30% during
combat.
Cannot use:
Distant Counter
Unit can counterattack regardless of foe's range.
Cannot use: 
Freezing Seal
At start of turn, if unit's HP ≥ 50%, inflicts
Atk/Spd-6 on foe on the enemy team with
the lowest Res through its next action.
This skill can only be equipped by its original unit.
Atk Smoke 3
Inflicts Atk-7 on foes within 2 spaces of target
through their next actions after combat.
Cannot use:
Marquess of Pherae. After overcoming the death
of his father, Elbert, he foils Nergal's wicked
ambitions with his comrades. Appears in Fire
Emblem: The Blazing Blade.
Legendary Effect: Wind
Ally Boost: HP+3
Grants allies this Legendary Effect during Wind
season, if the Wind blessing has been conferred
and if this unit enters battle with them.
Standard Effect 1: Duel
If unit is 5★ and level 40 and unit's stats total
less than 175, treats unit's stats as 175 in
modes like Arena. (Higher-scoring opponents
will appear. Stat total calculation excludes any
values added by merges and skills.)
Standard Effect 2: Pair Up
An ability that can only be used under certain
circumstances. Pair Up can be accessed from
the Interact with Allies menu, and allows this
unit to join battle in a group with another ally.
Skills learnable at 5★:
Ardent Durandal
Mt: 16 Range: 1
Grants Atk+3. At start of turn, grants
【Bonus Doubler】to ally with the highest Atk.
【Bonus Doubler】
Grants bonus to Atk/Spd/Def/Res during
combat = current bonus on each of unit's stats
for 1 turn. Calculates each stat bonus
independently.
This skill can only be equipped by its original unit.
Rally Spd/Res+
Range: 1
Grants Spd/Res+6 to target ally for 1 turn.
Cannot use:
Death Blow 4
If unit initiates combat, grants Atk+8 during
combat.
Cannot use:
Chill Atk 3
At start of turn, inflicts Atk-7 on foe on the
enemy team with the highest Atk through its
next action.
Vision of Arcadia
At start of turn, if a dragon or beast ally is
deployed, grants Atk/Def+6 to ally with the
highest Atk for 1 turn.
This skill can only be equipped by its original unit.
Princess of Renais. Ephraim's twin. She and her
brother strive to rebuild their war-torn country.
Appears in Fire Emblem: The Sacred Stones.
Legendary Effect: Water
Ally Boost: HP+3, Atk+2
Grants allies this Legendary Effect
during Water season, if the Water
blessing has been conferred and if
this unit enters battle with them.
Skills learnable at 5★:
Storm Sieglinde
Mt: 16 Range: 1
Grants Atk+3. If the number of foes within
2 spaces (excluding target) ≥ the number of
allies within 2 spaces (excluding unit),
grants Def/Res+3 and Special cooldown
charge +1 per unit's attack during combat.
(Only highest value applied. Does not stack.)
This skill can only be equipped by its original unit.
Moonbow
Cooldown: 2
Treats foe’s Def/Res as if reduced by 30% during
combat.
Cannot use:
Atk/Spd Solo 3
If unit is not adjacent to an ally, grants
Atk/Spd+6 during combat.
Lunar Brace
Slows Special trigger (cooldown count+1).
Deals damage = 50% of foe's Def when
Special triggers.
This skill can only be equipped by its original unit.
Odd Def Wave 3
At start of odd-numbered turns, grants Def+6
to unit and adjacent allies for 1 turn. (Bonus
granted to unit even if no allies are adjacent.)
Prince of Renais. Eirika's twin. It's
said he destroyed the Demon King
of old and saved the world. Appears
in Fire Emblem: The Sacred Stones.
Legendary Effect: Fire
Ally Boost: HP+3, Def+4
Grants allies this Legendary Effect
during Fire season, if the Fire
blessing has been conferred and if
this unit enters battle with them.
Skills learnable at 5★:
Flame Siegmund
Mt: 16 Range: 1
Grants Atk+3. If the number of foes within
2 spaces (excluding target) ≥ the number of
allies within 2 spaces (excluding unit),
unit makes a guaranteed follow-up attack.
This skill can only be equipped by its original unit.
Sol
Cooldown: 3
Restores HP = 50% of damage dealt.
Cannot use:
Sturdy Stance 2
If foe initiates combat, grants Atk/Def+4
during combat.
Cannot use:
Solar Brace
Restores HP = 30% of damage dealt when
Special triggers. (Stacks with effects of skills
like Sol.)
This skill can only be equipped by its original unit.
Fortify Def 3
At start of turn, grants Def+4 to adjacent allies for
1 turn.
Strategist of the Greil Mercenaries. Always
considers the best tactics—even at the Day of
Devotion festival. Appears in Fire Emblem: Path
of Radiance.
Skills learnable at 5★:
Blárblooms+
Mt: 12 Range: 2
If unit is adjacent to an ally, grants
Atk/Spd/Def/Res+3 during combat.
Rally Atk/Spd+
Range: 1
Grants Atk/Spd+6 to target ally for 1 turn.
Cannot use:
Atk/Res Bond 3
If unit is adjacent to an ally, grants
Atk/Res+5 during combat.
Spd Feint 3
If a Rally Assist skill is used by unit or targets
unit, inflicts Spd-7 on foes in cardinal directions
of unit through their next actions.
Cannot use:
Res Opening 3
At start of turn, grants Res+6 to ally with the
highest Res for 1 turn. (Excludes unit.)
Sully's daughter. Won't miss a chance to train
for battle. Determined to be the best soldier
she can be. Appears in Fire Emblem Awakening.
Skills learnable at 5★:
Barrier Lance+
Mt: 14 Range: 1
If foe initiates combat, grants Res+7 during
combat.
Draconic Aura
Cooldown: 3
Boosts damage by 30% of unit's Atk.
Cannot use:
AR-D Def/Res 3
If defending in Aether Raids, grants Def/Res+X
during combat. (Calculates X based on number
of your defensive structures: ≥5 structures
grants +10; 4 grants +7; 3 grants +4; ≤2 grants
+1. Destroyed defensive structures are not
counted.)
Bold Fighter 3
If unit initiates combat, grants Special cooldown
charge +1 per unit's attack, and unit makes a
guaranteed follow-up attack. (Does not stack.)
Cannot use:
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