Primal Kyogre first appeared in Pokémon Omega Ruby and Alpha Sapphire, released in 2014, as the transformed form of the legendary sea Pokémon Kyogre from the Hoenn region. Its cry is the in-game sound played when the Pokémon is encountered or sent into battle in its primal state. Fans ripped and shared the short clip on soundboards and in fan edits, where it became a shorthand for overwhelming water power and ancient legend. It remains popular with Pokémon creators because it is instantly recognisable even without visuals.