Updated for Data 2026-03-17Early Access — numbers may shift with patches.
Protector
Necrobinder · Attack · Ancient · 1 cost
Base
Upgraded
Card text
Osty deals 10 damage. Deals additional damage equal to Osty's Max HP.
Protector+
Cost changes from 1 to 0Osty deals 15 damage. Deals additional damage equal to Osty's Max HP.
Builds that use Protector
Archetypes that draft this card in real runs, with the role it plays.
Build context
See the Necrobinder build hub for archetypes that feature this card in real runs.
Related cards
Protector FAQ
- Should I upgrade Protector in Slay the Spire 2?
- Compare the upgraded text: Cost changes from 1 to 0Osty deals 15 damage. Deals additional damage equal to Osty's Max HP.. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
- What builds use Protector?
- Protector appears in 1 tracked build: Osty's Warband (A-tier, core card).
- What character uses Protector?
- Protector is tagged as a Necrobinder card. See the Necrobinder 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.