Updated for Data 2026-03-17Early Access — numbers may shift with patches.
Thunder
Defect · Power · Uncommon · 1 cost
Base
Upgraded
Card text
Whenever you Evoke Lightning, deal 6 damage to each enemy hit.
Thunder+
Whenever you Evoke Lightning, deal 8 damage to each enemy hit.
Builds that use Thunder
Archetypes that draft this card in real runs, with the role it plays.
Keywords
Build context
See the Defect build hub for archetypes that feature this card in real runs.
Related cards
Thunder FAQ
- Should I upgrade Thunder in Slay the Spire 2?
- Compare the upgraded text: Whenever you Evoke Lightning, deal 8 damage to each enemy hit.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
- What builds use Thunder?
- Thunder appears in 2 tracked builds: Storm Conductor (S-tier, core card), Overcharge Detonation (A-tier, flex pick).
- What character uses Thunder?
- Thunder is tagged as a Defect card. See the Defect 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.