Great! he should use an Infernape or a Greninja.
Ai meu deus isso e muito Bom!
This was really cool. It feels like removing darkness isn't necessarily a bad thing on its own (e.g. Polywrath regaining its freedom), but off course it all depends on what's it will later be used for.
For a Pokemon, I was thinking Ditto. Could he copy the cat? Pun unintented.
This, WAS DA BEST!!! :D