Question

Are Xerneas, Yveltal and Zygarde shiny locked in X & Y?

Comments

They aren't but to get them shiny is extremely rare.

Answer 1

Unfortunately, Xerneas, Yveltal and Zygarde are shiny locked in XY. The Legendary Kanto Bird trio and Mewtwo are also shiny locked.

Serebii

Comments

Why do they shiny lock them, anyways? If it has something to do with trading, they really aren't going to stop hackers from getting their hands on them, therefore having them show up on the GTS.