Apocalypse: Transmigrated with an Overlord System - Chapter 4 - 0: Elixir of Immortality

A cultivation technique that is regarded as rubbish, and a cultivator who is regarded as a waste by the same school, after receiving a yin and yang jade pendant, everything will be completely changed.

Ten times the training speed, Gu Fei repeatedly broke through the limits of martial arts. The iron law that had been recognized for thousands of years was broken by Gu Fei one by one!

Miracles… Gu Fei doesn’t believe in miracles. He only believes in blood and sweat. In this martial art has fallen, the true meaning of martial art has been lost in the training world of Tenglong Continent. , Fighting demons and ghosts, embrace stunning beauty, and achieve indestructible Wu Zun!

- Description from MTL

The world was once at war with 10 alternate worlds. This was known as the Concept War and our world won 60 years ago. All of this was concealed so no normal people are aware of this fact in the current time.

After the death of his grandfather, the high-school student Sayama Mikoto is suddenly summoned by the giant corporation IAI. He learns this world is headed for destruction due to the acceleration of the Minus Concepts. To prevent this, negotiations must be undertaken with the survivors of the other parallel worlds so their 10 concepts can be released.

And so Sayama is caught up in the final battle to clean up after the Concept War which left behind so much enmity.

There was a time where I was summoned to a different world. I spent more than a year as a Priestess from a different world. I fulfilled my role and decided to return to my original world. Before leaving, I confessed my feelings to my escort knight. And from there I was heartbroken. After returning to the original world for a year and half, I was summoned again. What? Apparently this time, nobody summoned me. I was sent out to a great extent and have a lost love. I cannot face anyone now! No one knows that I was a former Priestess and I can only quickly return to my original world. Even so, it does not seem to work out very well…

After transmigrating into the Marvel-DC multiverse, he, once an ordinary person, has now become a world-renowned mercenary and assassin.Things have changed. Should he become a righteous hero, or continue his dark profession?“Don't use such shallow concepts like good and evil to judge me. I only do what I want.”Suddenly, the protagonist appeared behind the author of this synopsis, punched him, and sent him flying.“The truth is simple. I am the death knell that rings in everyone's ears!”