According to the legends of Sinnoh, this Pokémonemerged from an egg and shaped all there is inthis world.
It is told in mythology that this Pokémon was bornbefore the universe even existed.
It is the heavenly fount from which pours the light that shines across Hisui. Its luminance guides and protects all Pokémon. Hisuian mythology states that Arceus is the creator of all things.