From A Stronghold NPC To The Final BOSS - Chapter 1055 - : Numerous Supreme treasures

Light?It was always something we depended on to see within the world but that has changed. What is one supposed to do when the world is engulfed by darkness?Giving us no choice but to adapt to the world we once knew. People turn into monsters, light ceases to exist, and yet I'm left here with no idea on how to move forward.I'll never forget the woman who gave me that direction to follow.A woman with beautiful long white hair, shining brightly under the moon is all I can remember. “Rise above them all. Become the strongest and you'll never have to fear the dark.” her voice echoes.I'll become the strongest... If that's what it takes to survive this hell.

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

One day every human on the world suddenly receives a mail claiming to enact the World Salvation Project. Half in doubt Kurosaki Shion, a diligent university student and loner, follows the mail’s instructions, becoming one of a million Demon Kings governing his very own Domain in the new world.

*** This is a post-apocalyptic story containing many fantasy elements. It is a somewhat dark tale following Shion as he grows while aiming for the unification of the all too sudden new world. It has many game-elements bolstered by strategical thinking while at the same time providing funny moments and romantic encounters.

Rude is a tank, known as the strongest in history. However, the Hero decided that his skills were worthless because he couldn’t do anything but take damage, and threw him out of the party. His cleric friend who trusted him followed him to the remote village that Rude was forced to return to.