Updated for Data 2026-03-17Early Access — numbers may shift with patches.
Loop
Defect · Power · Uncommon · 1 cost
Base
Upgraded
Card text
At the start of your turn, trigger the passive ability of your rightmost Orb.
Loop+
At the start of your turn, trigger the passive ability of your rightmost 2 times.
Builds that use Loop
Archetypes that draft this card in real runs, with the role it plays.
Build context
See the Defect build hub for archetypes that feature this card in real runs.
Related cards
Loop FAQ
- Should I upgrade Loop in Slay the Spire 2?
- Compare the upgraded text: At the start of your turn, trigger the passive ability of your rightmost 2 times.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
- What builds use Loop?
- Loop appears in 4 tracked builds: Storm Conductor (S-tier, flex pick), Overcharge Detonation (A-tier, flex pick), Permafrost Bastion (A-tier, flex pick), Umbral Engine (A-tier, core card).
- What character uses Loop?
- Loop 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.