Updated for Data 2026-03-17Early Access — numbers may shift with patches.
Unrelenting
Ironclad · Attack · Uncommon · 2 cost
Base
Upgraded
Card text
Deal 12 damage. The next Attack you play costs 0 Energy.
Unrelenting+
Deal 18 damage. The next Attack you play costs 0 Energy.
Build context
See the Ironclad build hub for archetypes that feature this card in real runs.
Related cards
Unrelenting FAQ
- Should I upgrade Unrelenting in Slay the Spire 2?
- Compare the upgraded text: Deal 18 damage. The next Attack you play costs 0 Energy.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
- What builds use Unrelenting?
- Unrelenting is tagged as a Ironclad card. See the Ironclad build hub for archetypes that care about it.
- What character uses Unrelenting?
- Unrelenting 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.