Domination in America, Starting from being a Boxing Champion - Chapter 514 - 409 Party

In a morgue filled with the bodies of Uchiha clan members, he opened his eyes...A mysterious voice echoed in his ears...With a bewildered expression, he muttered, “Save the Shinobi world? What does that have to do with me, a mere Uchiha survivor?”

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 apocalypse arrived, and Irving was betrayed and killed by his own girlfriend.After his rebirth, he was chosen by the Will of the Blue Star to be an internal beta tester of the Shelter Game, starting with a [Tenfold Drop Rate] and becoming a [Necromancer]!Ferocious and brutal exotic beasts are all tamed by him, gradually forming a powerful “Exotic Beast Legion” under his command!Building sanctuaries, hoarding supplies, upgrading outer walls, setting traps...Constructing the most powerful fortress in the apocalypse!“Since I have been given a second life, I will trample those who've betrayed me once under my feet!”...When the Dark Lord descended, Irving's shelter had become the strongest on the Blue Star!“You evil creatures, dare to covet Blue Star?”“Come on! Let me show you what true despair is...”“Remember, from now on, Blue Star is under my protection! Got it?”