Legend of Swordsman - Chapter 6094 - : Defeat Him

It begins on the mountain.

With the glint of a knife, a flash of steel in the hands of a sworn brother. A betrayal.

Stabbed and pushed down the mountain, Zi Chen lied within the red-stained snow, left to die.

This is where it begins; he is given life by lightning,
baptized by thunder.

Those who had once betrayed him should all suffer in his cruel revenge.

- Description from Novelupdates

One day, I woke up only find out that I’d become a Demon Lord, an individual responsible for protecting a dungeon. The world I’d been spirited away to was one filled with violence. Gigantic monsters wandered through it and competed with each other each and every day for the right to survive. I had no choice but to strengthen my dungeon’s defenses in hopes of living another day—or at least that was what I’d thought. For some odd reason, I instead ended up spending my days in relaxation and bliss.

Luo Yu traveled through the world of Douluo, met Gu Yuena, and after a million years of painstaking practice, he finally became a beast god. After a catastrophe, he became a human being, forged the first divine body of Douluo, and awakened the heaven-defying twin god-level martial souls.

Save Bibi Dong and help Zhu Zhuqing get rid of the scumbag.

Master wants to accept me as an apprentice? Sorry, you don’t deserve it.

Show off Tang San with one hand, blast the white tiger with one punch, cut Tang Hao with three swords…

A few years later, Luo Yu swept Douluo, and the king came to the Wuhun Palace, stepping on the abyss, pointing at the vastness of the sword.

In the vast God Realm, who is worthy of a battle…

- Description from novelbuddy

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.