In a mysterious world connected by a network of "symbiosis veins", different races achieve energy resonance through ancient symbiosis patterns. The Scale Keepers of Fog Town, the Ice Tribe of the North, the Sea Tribe of the South China Sea, and the Desert People of the Western Region should have lived in harmony. However, with the awakening of the "Shadow Eroder", the symbiotic network that maintains the world is facing a crisis of collapse.
