SpireForge

Updated for Data 2026-03-17Early Access — numbers may shift with patches.

Aggression

Ironclad · Power · Rare · 1 cost

Base

Aggression

Upgraded

Aggression+

Card text

At the start of your turn, put a random Attack from your Discard Pile into your Hand and Upgrade it.

Aggression+

Innate. At the start of your turn, put a random Attack from your Discard Pile into your Hand and Upgrade it.

Keywords

Innate

Build context

See the Ironclad build hub for archetypes that feature this card in real runs.

Related cards

Barricade
Corruption
Corruption
Crimson Mantle
Crimson Mantle
Cruelty
Cruelty
Dark Embrace
Demon Form
Drum of Battle
Feel No Pain

Aggression FAQ

Should I upgrade Aggression in Slay the Spire 2?
Compare the upgraded text: Innate. At the start of your turn, put a random Attack from your Discard Pile into your Hand and Upgrade it.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
What builds use Aggression?
Aggression is tagged as a Ironclad card. See the Ironclad build hub for archetypes that care about it.
What character uses Aggression?
Aggression is tagged as a Ironclad card. See the Ironclad build hub for archetypes that care about it.

Patch history

SpireForge snapshots card text from Untapped exports dated 2026-03-17. When Mega Crit ships a balance patch, we re-run the scraper and refresh every affected URL—see /patches for the editorial log.