Spire Codex is now on Overwolf. Get the in-game overlay with live card lookups and one-click run uploads. Learn more →Spire Codex is now on Overwolf. Get the in-game overlay with live card lookups and one-click run uploads. Learn more →Browse every combat encounter in Slay the Spire 2. Filter by room type (Monster, Elite, Boss) and act to find specific fights and monster compositions.