How is the timeline in the mega universe, anyway? From what Zinnia says in the Sky Pillar and AZ's story, I'd assume it's like
>The war happens in Kalos. Meanwhile, in Hoenn, Primal Groudon and Primal Kyogre are wrecking shit
>AZ creates the ultimate weapon using Infinity Energy
>The beam hits a meteor, creating Deoxys and the mega stones. In Hoenn, Rayquaza descends and stops the other two legendaries
>The war ends, Floette disappears, AZ becomes a wandering hobo
>Some time after this, Korrina's ancestor finds a mega stone for his Lucario
>A thousand years after the war, another meteor falls and creates Sootopolis
>Due to the impact, a great source of Infinity Energy emerges, and Primal Kyogre and Primal Groudon awake once again
>The draconids wish for Rayquaza's help, and thanks to the meteor in Sootopolis, not only Rayquayquay descends, but it also mega evolves
>Rayquaza then drains Infinity Energy from the Primal pokemon, turning them into regular Groudon and Kyogre
>The three pokemon go to their respective places and the weather wars in Hoenn come to an end
>AZ watched all of this, planted a tree and an eternal flower in Sootopolis, and departed again
>The draconids built the Sky Pillar
>After 1,000 years, the lorekeepers' lineage started
>Then, after another 1,000 years, ORAS happens