A Pokémon is Knocked Out if it has damage greater than or equal to its Hit Points. That Pokémon goes to the discard pile, along with any cards attached to it. When one of your opponent`s Pokémon is Knocked Out, you take one of your Prizes. Found on http://www.encyclo.co.uk/local/21298
If a Pokémon has damage greater than or equal to its Hit Points, it's Knocked Out. That Pokémon goes to the discard pile, along with any cards attached to it. When one of your opponent's Pokémon is Knocked Out, you take one of your Prizes. Found on https://www.encyclo.co.uk/local/21246