Breakthrough - Slay the Spire 2
Lose 1 HP. Deal 9 damage to ALL enemies.
Breakthrough
+UPGRADEDLose 1 HP. Deal 13 damage to ALL enemies.
Related Mechanics
Synergies & related cards

At the start of your turn, lose 1 HP. Whenever you lose HP on your turn, deal 6 damage to ALL enemies.
Self-damage archetype — Inferno converts HP loss into combat power.

Lose 1 HP. Exhaust 1 card. Gain 1 Strength .
Self-damage archetype — Brand converts HP loss into combat power.

At the start of your turn, lose 1 HP and gain 8 Block .
Self-damage archetype — Crimson Mantle converts HP loss into combat power.

Lose 6 HP. Gain . Draw 3 cards. Exhaust .
Self-damage archetype — Offering converts HP loss into combat power.