When the Doctor Uses A Hack - Chapter 5 - : First Kill in the Operating Room

Leon is an average high school student who likes to watch anime and read novels.
He's about to cross the street, only to be greeted by a truck and died.
But, he got reincarnated as Uchiha yet dead again because Itachi killed him.
Leon got reincarnated again as the grandson of the recovery girl.
He got kidnaped and tortured by All For One.
After his third death, he got reincarnated as a son of Bibi Dong.
In this fourth life, he wants to change his fate to become the strongest.

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- English is not my first language, so there would be grammatical mistakes in this story.
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“Execute them all!”An unwilling transmigration event occurred to Vincent, who was now known as Leonard Lawson, the 5th Prince of the Aldros Empire in the Valdoria Continent.Thrown into the new world, Aetherion, which contained 5 main continents, Valdoria, Kharnavos, Vel Serentha, Xundraeth, and Dregalia. Leonard must now brace through the unforeseeable events and overcome any obstacles on his path.Complex layers of politics and schemes from other continents threatened to ruin Leonard at every turn.“I just want to return to my original world. Why must I transmigrate and take away someone else's dream and hope?” Leonard closed his eyes. He wondered how he could endure this endless world of madness and cruelty.

The world ended the same day Julien failed his job interview. Portals tore open the sky, and monsters went on a brutal killing spree until humanity finally awakened powers to fight back. By sheer luck, Julien awakened an SSS-rank skill, the highest tier in existence.There was just one problem: It gave him zero combat stats.[Skill Name: The Infinite Warehouse][Rank: SSS][Type: Administrative-Class / Economic Authority][Description: You have been granted limited administrative access to the Multiversal Supply Chain. You do not own the items within, but are merely the distributor.]With every new level and upgrade, the skill rewards him with impossible new heights of power. It upgrades from basic shop of healing potions to granting him dimensional contracts to summon Mythical beasts, ultimately opening a door for him to conquer the vast multiverse itself.In a collapsing world, the man who controls the supply… controls everything.

Young Master Lu says, “My wife knows nothing at all and has a bad temper. You’d better not bully her.” Gu Mang watches silently as this man warns everyone who comes his way.