Primal Reversion is a new transformation method found native to the Hoenn region. All Primal Reversion are identified by having "Primal" in front of their name.
In order to undergo a Primal Reversion, the Pokémon must be holding the applicable Orb. Primal Reversion can only occur in battle and disappears after the battle is over.
|Kyogre|| Blue Orb|
|Groudon|| Red Orb|