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Impervious — Ironclad Card Guide (Slay the Spire 2)

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

Official art
StS2_Ironclad-Impervious.png

SkillRareIroncladS-Tier

Impervious is a 2-cost Rare Skill for the Ironclad in Slay the Spire 2.

2Energy Cost

SkillType

RareRarity

IroncladCharacter

EFFECT · Numbers read as base (upgraded)Gain 30 (upgraded 40) ..

Tier Verdict

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

Similar Cards

Official art soonBlood WallCommon · 2 cost Official art soonExpect a FightUncommon · 3 cost Official art soonFlame BarrierUncommon · 2 cost Official art soonRageUncommon · 0 cost

Quick Facts

NameImpervious

Cost2

TypeSkill

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)