Killed For 100 Years in Hueco Mundo, Aizen Invited Me To Soul Society! - Chapter 314: Disposal Of Aizen

A major event happened recently to the demonic sect – their powerful sect master suddenly went missing.

Everyone comforted each other: “Don’t worry, the sect master must be out pursuing fun, and so on.”

“Well, that makes sense.”

They waited.

Waited and waited.

Waited and waited.

Waited and… Everyone slammed the table: “We’ve waited so long! The sect master must have met with a mishap! Look for him!!” Numerous disciples therefore ran rumbling down the mountain.

On a certain day of the month, a certain sect master opened his eyes and thought in confusion: Hey, who am I?

- Description from Novelupdates

The strongest Demon Lord dies, and reincarnates as a human. Not only that, he because of various incidents turns into the hero’s best friend.

Follow his journey as he tries to help the hero escape his fate, and on the sideline to conquer the continent while he’s at it.

The blacksmith Anvil created weapons alone in a ruined world.

He came across a community, a hero universe, where there are heroes of every dimension.

All the heroes wanted his weapons,

All the monsters hated him,

All the world blessed his existence

however nobody prevented his death.

Decades later, a dimensional invasion started on earth.

Kang Shin-hyuk, a boy who can’t use mana inherited Anvil’s VIP ID and memories.

A ritual gone wrong gave him the world's deadliest Class—now all he wants is blood.Zeth stole the most powerful ritual magic in the world from a mad cultist. A Class that's fueled by the blood of his enemies and human sacrifice. One that's illegal to use, punishable by gruesome death. And now that he has it, he's faced with a choice: hide away for the rest of his life from those who would hunt him down, or embrace the power, becoming the hunter to get revenge on the murderer that stole his friends' lives.For Zeth, that's no choice at all.His enemies have to die. And he plans to use every drop of blood, eldritch ritual, and demonic summoning he can to kill them.