Updated for Data 2026-03-17Early Access — numbers may shift with patches.
Flame Barrier
Ironclad · Skill · Uncommon · 2 cost
Base
Upgraded
Card text
Gain 12 Block. Whenever you are attacked this turn, deal 4 damage back.
Flame Barrier+
Gain 16 Block. Whenever you are attacked this turn, deal 6 damage back.
Builds that use Flame Barrier
Archetypes that draft this card in real runs, with the role it plays.
Build context
See the Ironclad build hub for archetypes that feature this card in real runs.
Related cards
Flame Barrier FAQ
- Should I upgrade Flame Barrier in Slay the Spire 2?
- Compare the upgraded text: Gain 16 Block. Whenever you are attacked this turn, deal 6 damage back.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
- What builds use Flame Barrier?
- Flame Barrier appears in 1 tracked build: Barricade Iron Bastion (A-tier, core card).
- What character uses Flame Barrier?
- Flame Barrier 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.