Resolute Heart

If this Pokémon has full HP and would be Knocked Out by damage from an attack, it is not Knocked Out, and its remaining HP becomes 10.

Rules

As long as this Pokémon is on your Bench, prevent all damage done to this Pokémon by attacks (both yours and your opponent’s).

Pokémon ex rule: When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards.