Rebirth in One Piece as Deputy Captain - Chapter 526

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates

In a tyrannical world, what is evil? What is benevolence? All living creatures are brutal. Passing through the heaven road to find one’s purpose in life. Struggles to be stronger is not an easy path. The whole journey thistles and thorns, one blade chops open a path, I alone will be supreme!

- Description from Novelupdates

Juvenile Luo Yang, because of the body being blocked by evil dragons, and with the blood of God, has embarked on a road to heaven! Rise from the humble, turn the mountains and seas, step into the world, and press the heavens!

- Description from 69shu translation

Year 2022, December the 1st. This was the day it all began.

Labyrinths had started forming all around the world, hundreds and thousands of people lost their lives as casualties.

Mutations followed after, occurring amongst the people, they began awakening super powers, the same for animals.

However these mutations brought along a virus. It quickly spread amongst the dead as they began to rise. Humanity had begun its fall.

Gray who had given up all hopes of living life, was granted a system with a special ability. On the very same day, of the outbreak, he was consumed by a labyrinth.

By the time he had gotten out, a week had passed. It was hell all around. A virus had broken out from the mutations, the dead were walking and spreading this virus.

However this was only the beginning.

Over time the mutations began to evolve and people learnt that the through the cultivation of their powers, they could improve their abilities.