One Piece: New Order - Chapter 63: Battle of Sgri (6)

To rebuild death god’s glory, was our obligation!

At the start of the story, he and his zanpakuto had to fight for his own territory!

The Lord of Hell, Mephisto?

Playing with people’s hearts, you might need to learn more from me!

Necromancer?

Let me test the might of Ryūjin Jakka!

Iron Man, Tony Stark?

Come, come, it just happened that I am in need of technical support in the Technological Development Department!

…

Lod, who inherited the will of Soul King, crossed into Marvel World and decided to become the biggest behind-the-scenes manipulator!

When Lod ruled the three major organizations of the Wandenreich, Las Noches, and Seireitei, and looking at the entire universe, he could not help but sigh with emotion: In fact, at the beginning, I just wanted to live!

A mysterious and strange world, a human civilization lacking power, and a horrible and turbulent world of human life, Luo Kai survived humblely as a prisoner. Pain and suffering honed his will. War and killing promoted his growth. He suddenly looked back. Is already one of the most powerful beings in this world.

- Description from novelbuddy

This is the story of the youth Wen Leyang, born into the family with an expertise in the cultivation of the Art of Poison.