Koraidon is a Pokémon card from the Scarlet & Violet Black Star Promos expansion of the Pokémon Trading Card Game (card #91, Promo).
Dragon
This attack does 30 damage for each of your Ancient Pokémon in play.
This attack's damage isn't affected by any effects on your opponent's Active Pokémon.
This seems to be the Winged King mentioned in an old expedition journal. It was said to have split the land with its bare fists.
Illustrated by Anesaki Dynamic