Hisuian Samurott VSTAR · Astral Radiance (ASR) #197

{D}{D} → Merciless Blade : 110+
If your opponent’s Active Pokémon already has any damage counters on it, this attack does 110 more damage.

VSTAR Power
Ability ⇢ Moon Cleave Star
During your turn, you may put 4 damage counters on 1 of your opponent’s Pokémon. (You can’t use more than 1 VSTAR Power in a game.)