King Magma VII commands the subterranean domain as a ruthless tyrant, driven by an unyielding desire to subjugate the surface world. His conquest hinges on unleashing a cataclysmic fire dragon to reduce civilizations to ash and establish absolute dominion. Opposing his infernal agenda are Isamu, a resolute surface warrior, and Angel, sovereign of the ocean depths, who rallies her aquatic realm’s defenses to shield both land and sea from annihilation.