>>58035940
No, retardo, megastones fall in Hoenn because they have lots of meteors and some of them transform with the radiation of the ultimate weapon, if anything Rayquaza makes it so there are even less megastones in Hoenn, since he eats meteors.
And what he's talking about is the climax of ORAS base game, which shows the nature energy (suspiciously colored with a lime color like Zygarde's) creates megastones, Kyogre and Groudon were just trying to keep all that shit for themselves, but the moment you beat it it's all released and new megastones form from the energy raining over the region