Hellraiser Card Guide — Slay the Spire 2
Hellraiser turns Strike cards into automatic attacks. When active, every Strike you draw is played instantly without spending Energy. This guide covers how it works, best synergies, and when to pick it.
What Hellraiser Does
Hellraiser is a Power card that costs 2 Energy (1 when upgraded).
When Hellraiser is active, every time you draw a card containing "Strike" in its name, that card is automatically played against a random enemy.
The Strike is played instantly without spending Energy. The attack happens as soon as the card is drawn.
Why Hellraiser Is Strong
Free Damage
Strikes cost zero Energy once Hellraiser is active. You can trigger multiple attacks during a single draw chain.
Draw Engine = Damage Engine
Cards that draw more cards (Pommel Strike, Battle Trance) become damage multipliers. Each draw has a chance to trigger Hellraiser.
Scales With Deck Size
The more Strikes in your deck, the more often Hellraiser triggers. Works best when you keep your starter Strikes.
Best Synergy Cards
Pommel Strike
Draw 1 card after dealing damage. More draws = more Hellraiser triggers.
Battle Trance
Draw 3 cards. High chance of triggering multiple Hellraiser procs.
Anger
Adds copies of itself to discard. More Strikes in deck = more triggers.
Headbutt
Place a card on top of draw pile. Guarantees next Hellraiser trigger.
Perfected Strike
Scales with Strikes in deck. Synergizes with Strike-heavy builds.
Tips for Using Hellraiser
▸ Play Hellraiser early in the fight when possible
▸ Add draw cards so Strike triggers happen more often
▸ Keep some Strike cards instead of removing all of them
▸ Use Headbutt to force another Strike trigger
▸ Skip Hellraiser if you're building Demon Form or Exhaust builds
Frequently Asked Questions
How does Hellraiser work in Slay the Spire 2?
Hellraiser is a Power card that costs 2 Energy. When active, every time you draw a card with 'Strike' in its name, that card is automatically played against a random enemy without spending Energy.
Is Hellraiser good?
Yes, in Strike-heavy decks with draw cards. It turns your draw engine into a damage engine. Skip it if you're removing Strikes from your deck.
Does Hellraiser cost Energy to trigger?
No. Once Hellraiser is active, Strike cards are played automatically when drawn without spending Energy.
What cards work best with Hellraiser?
Draw cards (Pommel Strike, Battle Trance, Shrug It Off), Anger (self-replicating Strike), Headbutt (guarantees triggers), and Perfected Strike (scales with Strikes).
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