Xerneas still uses its signature move, but now it only affects the summoning fighter. The fighter will also become golden and will not flinch at all, similar to the "Gold Fighter" effect in Golden Plains.
How to Unlock
The horns on Xerneas's head give this Fairy-type Pokémon the power to bestow eternal life. It emanates energy with a move called Geomancy that causes all the fighters to glow. As pretty as it is, this makes everyone more easily launchable. Know when to take advantage and when to lay low.
Xerneas was teased around the time of Pokémon X and Y's release date. Sakurai stated "We have absolutely nothing to announce today regarding Pokémon X and Pokémon Y. Really!".
Xerneas, alongside Victini, are the first Pokémon that can power up the fighters.