Ascending a boss during its Relentless phase will immediately freeze the floor they were on before. Major bosses can't be ascended to the Pyre Room before their Relentless phase.
Descend
Move down a floor and to the back of that floor.
Can't descend to a frozen floor.
Reform
Return a defeated friendly unit to your hand. Enhance with Burnout 1, +5, +5, and 0.
All stat changes carry over, but status effects added during the fight such as Rage or Multistrike do not, unless they are printed on the card.
Sacrifice
Kill a friendly unit (of the required type in order) to play this card.
Cultivate
Increase the attack and health of the friendly unit with the lowest health by the Cultivate value.
Cultivate will target the unit with the lowest current health, and increase both maximum and current health.
Spell Effects[]
Effect
Description
Notes
Attuned
Multiply the effects of Magic Power by 5.
Consume
Can only be played once per battle.
Extract
Lose after you play this card. If you cannot, the card cannot be played.
Frozen
A Frozen card is not discarded at end of turn. Frozen is removed when the card is played.
Infused
When played, the current floor will gain 1 .
Magic Power
Increases the amount of damage dealt and health restored by spells.
Offering
If discarded before the end of your turn, it will instead be played.
An Offering card Purged or Consumed by the effects of cards such as Sacrificial Resurrection will not be played; it must be specifically discarded.
Permafrost
Gain Frozen when drawn.
Piercing
Damage dealt by this card ignores armor and shield.
Purge
Once played, this card is removed from your deck for the rest of the run.
Pyrebound
Can only be played in the Pyre Room and the floor below it.
Reserve
Triggers if this card remains in hand at the end of turn.
Frozen cards will remain in hand and trigger Reserve effect.
Spellchain
When played, a copy of this card will be added to hand. The copy costs +1 and gains Purge.
Unplayable
Card cannot be played.
Unpurgeable
Card cannot be purged by shops or Unstable Vortexes.
Cost
Spend all of your remaining Ember. The amount spent magnifies the result.