Kane Bugeja of SnapThirty writes:
Whew. That’s a whole bunch of Mega faces to add to the list. Unfortunately for the sake of surprise, certain individuals had already revealed the existence of the Mega Eon Duo back in X and Y (Via some code hacking that I shan’t attempt to understand. Regardless, it’s now official and the Dragon/Psychic Legendaries are looking faster than ever. Half dragon, half bird, half fighter jet. Awesome.