I Became the 1st Floor Boss of the Tower - Chapter 204

This is a story about a badass,

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

The world is full of mysteries. Strange, seemingly unexplainable events occur more often than we may realize. A young boy may catch an illness no doctor can explain. An office may catch fire for no apparent reason. And perhaps, someone may die a sudden and unexpected death – their bodies blighted beyond recognition.

As if becoming the [Final Antagonist] of a novel wasn't enough, Ivan had unfortunately or not also the memories of 6 other Antagonists of the six other Novels he had read.What happens when the mind, strength, goals, and pride of 7 Antagonists merge?It didn't matter to Ivan.All he wants now was to protect his Faith and for that he'd continue in then same path as he took in the novel with the difference than he wouldn't let the Protagonists kill him.For that first he must join the Exorcist Academy!The problem?He was possessed!