Slay the Spire 2 WikiView on Steam ↗

Fiend Fire — Ironclad Card Guide (Slay the Spire 2)

Fiend Fire is a 2-cost Rare Attack for the Ironclad in Slay the Spire 2. Effect, upgrade, S-tier verdict and deck fit.

Official art
StS2_Ironclad-FiendFire.png
AttackRareIroncladS-Tier

Fiend Fire is a 2-cost Rare Attack for the Ironclad in Slay the Spire 2.

2Energy Cost
AttackType
RareRarity
IroncladCharacter
EFFECT · Numbers read as base (upgraded)your .Deal 7 (upgraded 10) damage for each card ..

Tier Verdict

S-Tier  S tier in the September 2026 community card table — premium; take it almost always.

Similar Cards

Official art soonAngerCommon · 0 cost Official art soonBludgeonUncommon · 3 cost Official art soonFeedRare · 1 cost Official art soonHeadbuttCommon · 1 cost

Quick Facts

NameFiend Fire
Cost2
TypeAttack
RarityRare
CharacterIronclad
Community TierS

Data Sources

Effect data: slaythespire.wiki.gg (official wiki) · Tier: September 2026 community card table

Related Guides

Aggression — Ironclad Card Guide (Slay the Spire 2)Anger — Ironclad Card Guide (Slay the Spire 2)Armaments — Ironclad Card Guide (Slay the Spire 2)Ashen Strike — Ironclad Card Guide (Slay the Spire 2)Barricade — Ironclad Card Guide (Slay the Spire 2)Battle Trance — Ironclad Card Guide (Slay the Spire 2)Blood Wall — Ironclad Card Guide (Slay the Spire 2)Bloodletting — Ironclad Card Guide (Slay the Spire 2)