SpireIndex The Compendium

Every card. Every relic.
Every run, decoded.

Browse Cards →

563Cards

5Classes

300+Relics

∞Possibilities

Tools for Slayers

Everything You Need to Climb

Browse every card in Early Access — 400+ cards across all five classes, plus tokens, events, statuses, and curses. Filter by class, type, rarity, and keyword. Toggle upgraded stats to see exactly what changes.

Explore cards →

Construct any deck, see avg cost, type ratios, exhaust density, scaling win conditions, and consistency score. Share any build with one link.

Build a deck →

Every relic with descriptions, synergies, and pick priority. All 300+ relics filterable by class and tier.

Explore relics →

Describe your current run. Get card picks, relic synergies, and boss strategy — powered by Claude.

Community-rated card and relic tiers per class. Updated as the meta develops.

Every balance change pulled live from Steam. Buffs, nerfs, and new content highlighted automatically — updated the moment MegaCrit ships a patch.

View patch notes →

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Site Notes

SpireIndex is a fan-made companion for Slay the Spire 2 Early Access. Data is pulled live from the game where available, with static fallback. Features expand as the game does.

The Ancients — Keepers of the Spire

Nonupeipe

Orobas

Pael

Darv

Tanx

Vakuu