Darkrai are born of the dreams of pokemon, and their character is sculpted by the dreams they eat. Set in a world with no humans. Like the mystery dungeons series.

Valiant stared at the trainer uncertainly. It went against everything he learnt to become some human brat's companian. But this one saved their life. And they constantly fought full grown humans. He had to at least repay the favour. So he did what he never thought he'd do. He stretched out his good wing, and touched the pokeball.