← Boss Cheat Sheet

Hexaghost

Act 1 β€” The Exordium Β· HP: 250

High
⚠️Do NOT drink HP potions before the fight β€” higher HP = harder first hit!
Key Mechanics
  • β€’First-turn damage = 1/6 of your current HP β€” the higher your HP, the harder the hit.
  • β€’Each attack ignites cards in your hand; Burn cards accumulate and deal damage.
  • β€’Empowers itself over time β€” attack damage scales up each phase.
Strategy

Don't drink HP potions before this fight. Prioritize playing or discarding Burn cards before they accumulate. Maintain Block β€” its damage is high even without Empowers.

Moves
Inferno(6 dmg)Hits 6 times for 6 damage and ignites hand cards.
Sear(2 dmg)Deals damage and turns a card into a Burn.
ActivateEmpowers itself β€” subsequent attacks deal more damage.
Hexaghost Boss Guide β€” Slay the Spire 2 | STS2 Guide