Slay the Spire 2,
Pick Smarter.

Not a wiki for Slay the Spire 2. A decision engine for Early Access: card picks, build direction, synergy shortcuts, and trap warnings — right when you need them.

I need a pick
Card Pick Guide →
Take it, skip it, or build around it.
I need a direction
Open Deck Evaluator →
Input your cards and detect likely archetypes, missing roles, and next best needs.
I need synergies
Best Cards Together →
Core packages, support cards, and hidden traps.
Early Access note: patches may change numbers — we focus on decisions, not raw data dumps.
Beta Tool · Live Now

STS2 Deck Evaluator

Input your current cards and instantly see your likely archetypes, missing roles, warning signs, and next best needs. Built for Early Access draft decisions, not static wiki browsing.

  • • Detects likely build direction
  • • Flags missing block / draw / AOE / scaling
  • • Explains weak signals vs real archetype commitment
  • • Works with the current public card pool
Open Deck Evaluator Browse Build Guides
Start with 5–10 cards → get build direction, draft gaps, and next-step guidance.
Example Output
Primary Read
Your deck is starting to lean toward Ironclad Exhaust, but it is not fully committed yet. Right now, the biggest gap is reliable block.
Likely Archetypes
  • Ironclad Exhaust
  • Ironclad Vulnerable
Next Best Needs
  • Add reliable block
  • Add draw / hand flow
  • Add real scaling

Decision Hubs

Latest Patch: March 05, 2026 EA Patch
🎯

Pick Decision Lab

Should you take it, skip it, or build around it? Fast draft answers for Early Access.
🧭

Build Direction Finder

See what your deck is becoming before bad picks lock you into a dead run.
🧩

Synergy Map

Core packages, support cards, trap overlaps, and replacement options.

Decision Shortcuts

Decisions Covered: 200+

Characters
→
5 items
starter kits + draft identity
Pick Guides
→
120 items
take / skip / build-around
Archetypes
→
15 items
core engine + replacements
Deck Evaluator
→
1 items
build direction + gaps
How we differ from wikis
Wikis store card text. SpireGenius saves decision time: we show what to pick next, what your deck is becoming, and which cards actually belong together.
Card Data Synced: 504 Cards · 2026.03.05 Early Access