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Fire Emblem Heroes (FEH)

Failnaught: Best Fodder, Best Units to Inherit

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Here you can see how to get Failnaught, a weapon skill in Fire Emblem Heroes (FEH). Check out Failnaught, Failnaught's effects, units with Failnaught, as well as Inherit Skill Information!

List of Contents

Failnaught Effect and Basic Information

Basic Information

Skill
Failnaught
Type
Weapon Skill IconWeapon Skill
Mt 14 Range 2
Effect Accelerates Special trigger (cooldown count-1). Effective against flying foes. At start of combat, if unit's HP ≥ 25% grants Atk/Spd/Def/Res+5 to unit during combat and neutralizes effects that guarantee foe's follow-up attacks and effects that prevent unit's follow-up attacks during combat.
Required SP 400
Sacred Seal None

Additional Info

Accelerates Special trigger, grants buffs when above a certain HP threshold and also grants the Null Follow-Up effect. This is a powerful skill that ensures that you can have follow-up attacks while denying skills that guarantee an enemy unit's follow-up attack.

Skill Family

Failnaught Fire Emblem Heroes FEHFailnaught

Failnaught Weapon Refinery Information

Special Effect Upgrade Stats and Effect

Might 14 Range 2
HP -
Atk - Spd -
Def - Res -
Effect Accelerates Special trigger (cooldown count-1). Effective against flying foes.
At start of turn, if unit's HP ≥ 25%, inflicts Spd/Def-7, 【Guard】, and 【Sabotage】 on closest foes and any foe within 2 spaces of those foes through their next actions.
At start of combat, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+5 to unit and neutralizes effects that guarantee foe's follow-up attacks and effects that prevent unit's follow-up attacks during combat.
Enables 【Canto (1)】.
Inflicts Spd/Def-5 on foes within 3 rows or 3 columns centered on unit during combat. At start of combat, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+4 to unit, neutralizes effects that inflict "Special cooldown charge -X" on unit, and reduces the percentage of foe's non-Special "reduce damage by X%" skills by 50% during combat (excluding area-of-effect Specials).

Required Materials for this Upgrade

Arena Medals 500 Refining Stones -
Divine Dew 200 SP 400

Mt Upgrade Stats and Effect

Might 15 Range 2
HP 2
Atk - Spd -
Def - Res -
Effect Accelerates Special trigger (cooldown count-1). Effective against flying foes.
At start of turn, if unit's HP ≥ 25%, inflicts Spd/Def-7, 【Guard】, and 【Sabotage】 on closest foes and any foe within 2 spaces of those foes through their next actions.
At start of combat, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+5 to unit and neutralizes effects that guarantee foe's follow-up attacks and effects that prevent unit's follow-up attacks during combat.

Required Materials for this Upgrade

Arena Medals 500 Refining Stones -
Divine Dew 200 SP 400

Spd Upgrade Stats and Effect

Might 14 Range 2
HP 2
Atk - Spd 3
Def - Res -
Effect Accelerates Special trigger (cooldown count-1). Effective against flying foes.
At start of turn, if unit's HP ≥ 25%, inflicts Spd/Def-7, 【Guard】, and 【Sabotage】 on closest foes and any foe within 2 spaces of those foes through their next actions.
At start of combat, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+5 to unit and neutralizes effects that guarantee foe's follow-up attacks and effects that prevent unit's follow-up attacks during combat.

Required Materials for this Upgrade

Arena Medals 500 Refining Stones -
Divine Dew 200 SP 400

Def Upgrade Stats and Effect

Might 14 Range 2
HP 2
Atk - Spd -
Def 4 Res -
Effect Accelerates Special trigger (cooldown count-1). Effective against flying foes.
At start of turn, if unit's HP ≥ 25%, inflicts Spd/Def-7, 【Guard】, and 【Sabotage】 on closest foes and any foe within 2 spaces of those foes through their next actions.
At start of combat, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+5 to unit and neutralizes effects that guarantee foe's follow-up attacks and effects that prevent unit's follow-up attacks during combat.

Required Materials for this Upgrade

Arena Medals 500 Refining Stones -
Divine Dew 200 SP 400

Res Upgrade Stats and Effect

Might 14 Range 2
HP 2
Atk - Spd -
Def - Res 4
Effect Accelerates Special trigger (cooldown count-1). Effective against flying foes.
At start of turn, if unit's HP ≥ 25%, inflicts Spd/Def-7, 【Guard】, and 【Sabotage】 on closest foes and any foe within 2 spaces of those foes through their next actions.
At start of combat, if unit's HP ≥ 25%, grants Atk/Spd/Def/Res+5 to unit and neutralizes effects that guarantee foe's follow-up attacks and effects that prevent unit's follow-up attacks during combat.

Required Materials for this Upgrade

Arena Medals 500 Refining Stones -
Divine Dew 200 SP 400

Failnaught Rating

Rating 9.5/10.0 Ranking Unranked

Inherit Skill Restrictions for Failnaught

Units able to Inherit Failnaught

Inheritable? Move Type that can Inherit this Skill
No -
Weapon Type that can Inherit this Skill
-

Units who have Failnaught as Fodder

Hero Name Learns At
FEH icon Legendary Claude 5★

Which Units Should Inherit?

This skill cannot be Inherited!

Failnaught is an Exclusive Skill, so it cannot be learned through Inherit Skill.

Related Links

Skills Related Links Fire Emblem Heroes FEH

Skills: Related Links

Weapon Skill IconWeapon Skills Assist Skill IconAssist Skills Special Skill IconSpecial Skills
Passive A Skill IconPassive A Skills Passive B Skill IconPassive B Skills Passive C Skill IconPassive C Skills
Sacred Seal IconSacred Seals Attuned Skill IconAttuned Skills Emblem IconEmblems

Skills Tier List

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