Byleth: Fell Star's Duo

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General Quotes Misc Heroic Ordeal
Byleth
Fell Star's Duo
Portrait
Byleth Fell Stars Duo Face.webp
Attack
Byleth Fell Stars Duo BtlFace.webp
Special
Byleth Fell Stars Duo BtlFace C.webp
Damage
Byleth Fell Stars Duo BtlFace D.webp
Art by: cuboon
Description Byleth, a professor at the Church of Seiros's Officers Academy, and Rhea, the church's archbishop, enjoying a summer away. They appear in Fire Emblem: Three Houses.
Rarities 5★ Focus — Special
Duo Skill Grants【Desperation】to unit and allies within 2 spaces.

At start of every third turn, if Duo Skill has already been used, unit can use Duo Skill again.

【Desperation】
Grants the following effect for 1 turn: "If unit initiates combat, unit can make a follow-up attack before foe can counterattack."

(Duo Skills can be used once per map by tapping the Duo button. Duo Skills cannot be used by units deployed using Pair Up.)
Standard Effect 1: Duel If unit is 5★ and level 40 and unit's stats total less than 185, treats unit's stats as 185 in modes like Arena. (Higher-scoring opponents will appear. Stat total calculation excludes any values added by merges and skills.)
Weapon Type  Red Tome
Move Type Icon Move Flying.png Flying
Voice Actor EN Jeannie Tirado + Cherami Leigh
Voice Actor JP Itou Shizuka (伊藤静) with Inoue Kikuko (井上喜久子)
Release Date
Addition Date
Entry Icon MiniUnit Head 12.png Three Houses
Internal ID PID_比翼ベレス (538)
Origin 120000100200

Stats

All stats have a degree of variation. The stat growth page explains how the variation works.

Level 1 stats

RarityHPAtkSpdDefResTotal
1★15/16/175/6/79/10/110/1/21/2/335
2★15/16/176/7/810/11/120/1/21/2/337
3★16/17/186/7/810/11/121/2/32/3/440
4★16/17/187/8/911/12/131/2/32/3/442
5★17/18/197/8/911/12/132/3/43/4/545

Level 40 stats

RarityHPAtkSpdDefResTotal
1★29/32/3524/27/3030/33/358/10/1312/15/17116~118
2★30/33/3627/30/3333/36/388/11/1413/16/18125~126
3★33/36/3929/32/3535/38/4110/13/1615/18/21137
4★34/37/4031/34/3737/40/4411/14/1716/19/22144~145
5★36/40/4333/36/3939/42/4612/16/1918/21/24154~156

Growth Rates

This set of values, after being multiplied by a rarity factor, determines how much each stat will increase from level 1 to level 40, see stat growth.

RarityHPAtkSpdDefResTotal
3★50%65%70%30%40%255%

Stats between level 1 and 40

For stat values between level 1 and 40, see this page.

Skills[edit | edit source]

Weapons[edit | edit source]

NameMightRangeDescriptionSPDefaultUnlock
Fire42501★1★
Elfire621002★2★
Bolganone922004★3★
Sun's Percussors142Accelerates Special trigger (cooldown count-1). At start of combat, if unit's Spd > foe's Spd or if foe's HP = 100%, grants Atk/Spd+5 to unit during combat and neutralizes effects that guarantee foe's follow-up attacks and effects that prevent unit's follow-up attacks.4005★5★

Assists[edit | edit source]

This unit owns no Assist skills.

Specials[edit | edit source]

NameCooldownDescriptionSPDefaultUnlock
Dragon Gaze4Boosts damage by 30% of unit's Atk.1004★3★
Draconic Aura3Boosts damage by 30% of unit's Atk.2004★
Ruptured Sky2Boosts damage by 20% of foe's Atk. If in combat against a dragon foe or beast foe, boosts damage by 40% instead of 20%.5005★

Passives[edit | edit source]

TypeNameDescriptionSPUnlock
AAtk/Spd Push 1At start of combat, if unit's HP = 100%, grants Atk/Spd+3, but if unit attacked, deals 1 damage to unit after combat.602★
Atk/Spd Push 2At start of combat, if unit's HP = 100%, grants Atk/Spd+4, but if unit attacked, deals 1 damage to unit after combat.1203★
Atk/Spd Push 3At start of combat, if unit's HP = 100%, grants Atk/Spd+5, but if unit attacked, deals 1 damage to unit after combat.2404★
Atk/Spd Push 4At start of combat, if unit's HP ≥ 25%, grants Atk/Spd+7, but after combat, if unit attacked, deals 5 damage to unit.3005★
BChill Res 1At start of turn, inflicts Res-3 on foe on the enemy team with the highest Res through its next action.603★
Chill Spd/Res 1At start of turn, inflicts Spd/Res-3 on foe on the enemy team with the highest Spd+Res total through its next action.1204★
Chill Spd/Res 2At start of turn, inflicts Spd/Res-5 on foe on the enemy team with the highest Spd+Res total through its next action.2405★
CGround Orders 1At start of turn, if unit's HP = 100%, grants the following status to adjacent infantry, armored, and cavalry allies for 1 turn: "Unit can move to a space adjacent to any ally within 2 spaces."601★
Ground Orders 2At start of turn, if unit's HP ≥ 50%, grants the following status to adjacent infantry, armored, and cavalry allies for 1 turn: "Unit can move to a space adjacent to any ally within 2 spaces."1202★
Ground Orders 3At start of turn, grants the following status to adjacent infantry, armored, and cavalry allies for 1 turn: "Unit can move to a space adjacent to any ally within 2 spaces."2404★