>Ash Greninja isn't some super friendship powerup. That would have been with Pikachu.
>It's actually just an Aether Foundation experiment related to the relationship between humans and Ultra Beasts, with Ash and Greninja as the unknowing guinea pigs
>Having gotten all the data they need, they pulled the plug during or sometime before Kalos Finals.
>Ash was in fact the one who cheated, not Alain. What we saw in the Finals was Greninja's natural power level. In all likelihood Ash would have lost to Shota first if not for Aether Foundation interference.