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In ancient times, known as the Mythical Era, when Mana and Cosmic Energy saturated the planet and magic was as commonplace as the air itself, Heavenly Realms emerged across the world. They formed from vast concentrations of pure Mana that permeated everything.
The Soul of the Planet compressed these realms to contain the overwhelming quantities of Mana and Cosmic Energy in the atmosphere. It was a desperate effort to ease the burden on the surface, halt recurring mass extinctions, and protect humanity.
From humanity arose thoughts, myths, and legends. The Heavenly Realms absorbed these stories, imaginations, dreams, and emotions, giving them tangible form.
Japan itself formed as a Heavenly Realm merged with sea and land. Its myths, legends, and beliefs created an eternal chaos of elements within the realm. From this chaos emerged Izanagi and Izanami, the creation gods tasked by the Will of Heaven with forming the islands of Japan.
