Lethality

Lethality

Buff
The first Attack each turn deals 50% additional damage.
  • Your first Attack of each turn hits for 50 percent more (75 with the upgraded Lethality), applied as a multiplier to every hit of that card.
  • Only the first: the power counts Attack plays started this turn and only boosts a card while no other Attack has started before it, so it never carries over to a second card.
  • Stacks add: two casts give a 100 percent bonus.
  • Ethereal: the source card is Ethereal, so play it the turn you draw it.
Kind
LethalityBuff
Stacks
Yes
Character
Applied by
1 card

Where it comes from

Cards that apply Lethality

Lethality
Power
1
Ethereal.
The first Attack each turn deals 50% additional damage.
Ethereal.
The first Attack each turn deals 50% additional damage.

Notes

Only the first play of a card is boosted; a repeat play from One-Two Punch gets the base damage. The check reads the card's owner rather than who swings, so an Osty Attack such as Poke qualifies when it is your first Attack. Unpowered damage is never boosted.

Rules and timing

It only counts damage from Attack cards and enemy attacks. HP loss and damage dealt by relics, potions and other powers do not count.

Changes by version

  1. 2 Apr 2026Bug fixArmamentsBeta branch
    Fixed softlock when selecting a card to upgrade via Armaments card while Lethality power still applies
  2. 17 Jul 2025Bug fixInternal playtest
    Lethality power now applies damage increase to all hits of a multihit attack
  3. 6 Feb 2025InterfaceInternal playtest
    Lethality power no longer flashes when it increases damage
    Bug fixInternal playtest
    Fixed some whitespace and coloring issues in Lethality power's hovertip
    TextInternal playtest
    Lethality power's hovertip coloring has been fixed

Internal playtest notes are from before the Early Access release. Names and numbers in them can differ from the game today.

Purchase today
If you haven't bought Slay The Spire 2 yet, it's time. Support the devs, they made an amazing game.Get it on Steam