This is an epic fantasy adventure about life, destruction and rebirth. When the mysterious organization "Erosion Steel" uses dark red life crystals to control legendary Pokémon in an attempt to reshape the world order, ordinary girl Aoba accidentally obtains a life gem fragment that resonates with nature. During the journey to pursue the truth about gems, she established bonds with legendary Pokémon such as Kyogre and Regice, and gradually uncovered a shocking conspiracy spanning thousands of years - "Erosion Steel" is secretly cultivating artificial Arceus in the northern tundra.
From the Battle of the Raging Sea to the Valley of Creation, from the mechanical fleet to the ancient guardians, Aoba and his partners must overcome many crises. When the power of the Life Gem and the Creation Seed awakens, an ultimate showdown concerning the survival of the two worlds begins in the Eye of the Storm. This is a battle for the common destiny of humans and Pokémon, as well as a choice between the values of life and mechanical civilization.