SpireForge

Updated for Data 2026-03-17Early Access — numbers may shift with patches.

Forbidden Grimoire

Necrobinder · Power · Ancient · 2 cost

Base

Forbidden Grimoire

Upgraded

Forbidden Grimoire+

Card text

At the end of combat, you may remove a card from your Deck. Eternal.

Forbidden Grimoire+

Cost changes from 2 to 1

Keywords

Eternal

Build context

See the Necrobinder build hub for archetypes that feature this card in real runs.

Related cards

Calcify
Call of the Void
Countdown
Countdown
Danse Macabre
Demesne
Devour Life
Friendship
Haunt

Forbidden Grimoire FAQ

Should I upgrade Forbidden Grimoire 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 Forbidden Grimoire?
Forbidden Grimoire is tagged as a Necrobinder card. See the Necrobinder build hub for archetypes that care about it.
What character uses Forbidden Grimoire?
Forbidden Grimoire 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.