>>30214479A good majority of the Mega Stones aren't available in-game for players, yet they are in the game's code and Battle Tree / Royal AI opponents will use the ones that we don't have access to (Manectric, Blastoise, Pidgeot, Houndoom, etc). Hopefully they do what
>>30217450 suggested, but then again this is GF we're talking about.
At least my bro Sharpedo still has his Mega