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Breakthrough — Ironclad Card Guide (Slay the Spire 2)

Breakthrough is a 1-cost Common Attack for the Ironclad in Slay the Spire 2. Effect, upgrade, B-tier verdict and deck fit.

Official art
StS2_Ironclad-Breakthrough.png

AttackCommonIroncladB-Tier

Breakthrough is a 1-cost Common Attack for the Ironclad in Slay the Spire 2.

1Energy Cost

AttackType

CommonRarity

IroncladCharacter

EFFECT · Numbers read as base (upgraded)Lose 1 HP.Deal 9 (upgraded 13) damage to ALL enemies.

Tier Verdict

B-Tier B tier — a solid role-player in the right deck.

Similar Cards

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

Quick Facts

NameBreakthrough

Cost1

TypeAttack

RarityCommon

CharacterIronclad

Community TierB

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)