Guidance of the Black Rayquaza - S1.E87

As Gibeon attempts to use Zygarde to dig up the Rakulium, Amethio appears before him and tells him... Meanwhile, Liko and the others come rushing over as well, having seen the overflowing energy. But as they attempt to stop the digging, the Rakulium crystal shatters into pieces and a certain someone appears from within...?!