Yeah, Shadow Pokemon get scary precisely for that reason - there's a small-to-moderate chance they will randomly blow up in your face.

Quote Originally Posted by WindStruck View Post
Is it possible to use a potion on the Luxio?
Insofar as is it possible? It's a wild Pokemon, but it's also pretty battered and you guys haven't been attacking it, so sure. Item use takes a Pokemon's action for the round though.