Character
Ironclad
Card details
Breakthrough
This page tracks the current Ironclad attack text for Slay the Spire 2, plus the upgraded version, the card's current role in the pool, and a few nearby follow-up reads.
Type
Attack
Rarity
Common
Cost
1
Current rule text
Lose 1 HP. Deal 9 damage to ALL enemies.
Upgrade comparison
Base and upgraded Breakthrough at a glance
Base
Lose 1 HP. Deal 9 damage to ALL enemies.
Upgraded
Lose 1 HP. Deal 13 damage to ALL enemies.
Related cards
More Ironclad cards worth checking next
Aggression
At the start of your turn, put a random Attack from your Discard Pile into your Hand and Upgrade it.
Anger
Deal 6 damage. Add a copy of this card into your Discard Pile.
Armaments
Gain 5 Block. Upgrade a card in your Hand.
Ashen Strike
Deal 6 damage. Deals 3 additional damage for each card in your Exhaust Pile.
Barricade
Block is not removed at the start of your turn.
Bash
Deal 8 damage. Apply 2 Vulnerable.
Next reads
Put this card back into deckbuilding context
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Best early card picks
Follow this page when you want the mechanic or guide context that makes this card easier to evaluate mid-run.
When to skip cards
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Sources
Mega Crit early access launch post
OfficialOfficial launch article for the current early access build.
Mega Crit gameplay trailer post
OfficialThe first broad gameplay overview of the sequel.
Untapped Slay the Spire 2 card library
AuthorityUsed as a secondary authority for the currently visible Early Access card pool and card art indexing.