Sword Art Online - Vol 5 Chapter 2

Gods and demons fought, the worlds collapsed, only eternal immortal realm, lasting in the world.

After eternity, a god of war named Zhao Yun condensed the heavens and the earth, recast the cosmos, from the blue to the earth, marked the eternal immortal realm, in the name of the god, the king is over the world.

Since then, what he said is a myth.

- Description from MTL

Dorian was out celebrating his college graduation when a car slammed into him, and darkness took hold.

Raised as nothing more than a weapon, Xin Long was kidnapped and forged into a killer — his freedom severed, his name reduced to a whisper. In a world where trust is a death wish and mercy is a myth, he treads a path of blood and betrayal, outwitting ruthless foes and surviving inhuman trials. Yet, the deeper he delves into the shadows of Jianghu, the more he unravels a web of dark secrets that bind the martial world.Step into the dark side of Jianghu and witness the so-called Forgotten Tale — a story never meant to be told...

In The Swordsman, I am Yue Buqun! In Legend of the Condor Heroes, I am Ouyang Feng! In Tianlong Babu, I am Ding Chunqiu! …In Datang Shuanglong, I am Shi Zhixuan! …I am me, a big villain boss who walks in the heavens!

 Swordsman, The Legend of the Condor Heroes, The Eight Parts of the Dragon, Little Li Feidao, The Legend of Double Dragons of the Tang Dynasty, Fengyun, Zhuxian, Yangshen, Shading the Sky, Perfect World, Eternal Life…

- Description from novelbuddy