The Sword Sovereign's Revenge

Caden Quinn, the number one Sword Sovereign of the Nine Realms, guarded the Nether Demon Abyss for ten thousand years. He returns to find his sister framed as a demon spy, her Supreme Bone gouged out! His rage burns. His sword annihilates Azure Cloud, Fallen Cloud, and Empyrean. The Ancient Ancestors and Nether Emperor attack. He merges with Emperor Aetherius, annihilating the world-ending demon lord. He ascends with his sister and lovers, forging his legend.