Character
Regent
Card details
Knockout Blow
This page tracks the current Regent attack text for Slay the Spire 2, plus the upgraded version, the card's current role in the pool, and a few nearby follow-up reads.
Type
Attack
Rarity
Uncommon
Cost
3
Current rule text
Deal 30 damage. If this kills an enemy, gain 
.
.Upgrade comparison
Base and upgraded Knockout Blow at a glance
Base
Deal 30 damage. If this kills an enemy, gain .
.Upgraded
Deal 38 damage. If this kills an enemy, gain .
.Related cards
More Regent cards worth checking next
Alignment
Gain Energy Energy .
Arsenal
Whenever you play a Colorless card, gain 1 Strength.
Astral Pulse
Deal 14 damage to ALL enemies.
Beat into Shape
Deal 5 damage. Forge 5. Forges an additional 5 for every other time you've hit the enemy this turn.
BEGONE!
Deal 4 damage. Choose a card in your Hand to Transform into Minion Dive Bomb.
Big Bang
Draw 1 card. Gain Energy . Gain Energy . Forge 5. Exhaust.
Next reads
Put this card back into deckbuilding context
All cards
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Characters
Use the roster hub when you want bigger class context than one card can give you.
How Stars work
Follow this page when you want the mechanic or guide context that makes this card easier to evaluate mid-run.
How Forge works
Follow this page when you want the mechanic or guide context that makes this card easier to evaluate mid-run.
Sources
Mega Crit early access launch post
OfficialOfficial launch article for the current early access build.
Neowsletter: Regent, Stars, and Forge
OfficialOfficial reveal of Stars, Minions, Forge, and colorless synergies.
Untapped Slay the Spire 2 card library
AuthorityUsed as a secondary authority for the currently visible Early Access card pool and card art indexing.