Fire Emblem Heroes Wiki
Mercurius
Wep sw079
Weapon type Sword
Might 16
Range 1
Required Silver Sword
SP 400
Exclusive? Yes
String IDSID_メリクル
DescriptionGrants Atk+3. At start of turn, if unit's HP ≥ 50%, grants Atk/Spd/Def/Res+4 to unit and sword, lance, axe, bow, dagger, or beast allies within 2 spaces for 1 turn. (Bonus granted to unit even if no allies are within 2 spaces.)

Notes[]

  • The stat increase that can be applied by Mercurius is considered a  Bonus.
    • Any 【Bonus】 effect on a unit, including  Bonuses, lasts until the start of that unit's next phase. If  Bonuses are acquired during the enemy phase, they will disappear when the next player phase begins.

Upgrades[]

Mercurius can be upgraded in the Weapon Refinery.
For a list of other upgradable weapons, see list of upgradable weapons.
Icon Stats Description Cost
+3 HPGrants Atk+3. At start of turn, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+6 to unit and allies within 2 spaces of unit for 1 turn (bonus granted to unit even if no allies are within 2 spaces.) At start of combat, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+4 to unit during combat.
If unit is within 3 spaces of an ally, grants Atk/Spd/Def/Res+X to unit during combat (X = 4 + highest bonus on each stat between unit and allies within 3 spaces; calculates each stat bonus independently).
400 SP,
 500,
 200
+5 HP,
+2 Mt
Grants Atk+3. At start of turn, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+6 to unit and allies within 2 spaces of unit for 1 turn (bonus granted to unit even if no allies are within 2 spaces.) At start of combat, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+4 to unit during combat.400 SP,
 500,
 200
+5 HP,
+3 Spd
Grants Atk+3. At start of turn, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+6 to unit and allies within 2 spaces of unit for 1 turn (bonus granted to unit even if no allies are within 2 spaces.) At start of combat, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+4 to unit during combat.400 SP,
 500,
 200
+5 HP,
+4 Def
Grants Atk+3. At start of turn, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+6 to unit and allies within 2 spaces of unit for 1 turn (bonus granted to unit even if no allies are within 2 spaces.) At start of combat, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+4 to unit during combat.400 SP,
 500,
 200
+5 HP,
+4 Res
Grants Atk+3. At start of turn, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+6 to unit and allies within 2 spaces of unit for 1 turn (bonus granted to unit even if no allies are within 2 spaces.) At start of combat, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+4 to unit during combat.400 SP,
 500,
 200

Notes[]

List of owners[]

UnitSkill chain
Astram Midias Hero Face FC
Iron Sword
★
Steel Sword
★
Silver Sword
★
Mercurius
★

In other languages[]

Language Name
Japanese メリクル
German Mercurius
Spanish (Europe) Mercurius
Spanish (Latin America) Mercurius
French Mercurius
Italian Mercurius
Traditional Chinese (Taiwan)墨丘利
PortugueseMercurius

See also[]