Updated for Data 2026-03-17Early Access — numbers may shift with patches.
Eidolon
Necrobinder · Skill · Rare · 2 cost
Base
Upgraded
Card text
Exhaust your Hand. If 9 cards were Exhausted this way, gain 1 Intangible.
Eidolon+
Cost changes from 2 to 1
Keywords
Build context
See the Necrobinder build hub for archetypes that feature this card in real runs.
Related cards
Eidolon FAQ
- Should I upgrade Eidolon in Slay the Spire 2?
- Compare the upgraded text: Cost changes from 2 to 1. If the upgrade lowers cost, adds damage/block, or enables a combo piece, it is usually high priority.
- What builds use Eidolon?
- Eidolon is tagged as a Necrobinder card. See the Necrobinder build hub for archetypes that care about it.
- What character uses Eidolon?
- Eidolon 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.