From Teyvat's dawn, Nibelung reigned as Dragon King, born of light and ruling the Seven Sovereigns. Heeding a voyager's prophecy of doom, he departed the stars, raising three moons to rule in his stead. Returning corrupted by Abyss power, he unleashed the Funerary War against the Heavenly Principles' false order—imprisoning the moons, challenging Celestia, and falling in defeat. His legacy endures in his lingering essence, reclaimed draconic authorities and whispers of cosmic reclamation.