I'm Leveling Up Too Quickly - Chapter 73 - : Peerless Fusion

With an F-rank Trait, deemed the worst of the worst, 5-year old Shin Yu-sung is abandoned by the Shin-oh family, which is famous for raising hunters.The same year, he meets one of the strongest hunters, the Fist King, at the orphanage and is adopted by him.The Fist King became the strongest not through his Trait or special abilities — but by training his body.He takes note of Shin Yu-sung’s physique instead of his Trait—Nine blocked yin pathways.“Your blocked pathways cause your body’s mana to overflow, giving you an exceptional mind and god-like looks! But you also pass away before coming of age…”An abundance of bodily yang.“Your body is overflowing with the energy that can cure your nine blocked yin pathways!”

On that day, the fog blocked everything.

On that day, he became the captain of a ghost ship.

On that day, he stepped through the thick fog and confronted a completely subverted and fragmented world—the old order had vanished, strange phenomonoms dominated the endless seas beyond civilized society, and isolated island city-states and fleets of ships challenged the sea that had become the last ember of lights for the civilized world. All of this while the shadows of the old days were still stirring in the deep sea, waiting to to devour this world that was about to die.

But for the new captain of the ghost ship Vanished, there was only one question he had to consider first— Who knows how to drive this ship?!

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

MC follows the crew – Don’t like it? Don’t read.Vir transmigrated into the world of One Piece.Right from the start, he was being hunted down by a Devil Fruit users. Just an ordinary guy and a dying deer—how was he supposed to survive this?Ding![Congratulations, host! You have activated the 'Traumatizing Miracle Doctor System'][Saving people while causing them severe psychological trauma will grant you a random ability from them! ]“Bro, I’m being hunted here, stop messing around—give me something useful!”[Ding! Newbie gift pack reward: Antidote x1 ][Antidote: Instantly neutralizes all food poisoning effects. ]Vir: Σ( ° △ °|||)Good news: He has a system.Bad news: The system is useless!---Marineford War.Everyone’s eyes were wide in shock, their faces streaked with tears as they watched Ace get pierced through.Vir: “Wipe those tears! Hold them back! A little fatal injury—still treatable.”Not long after, the Whitebeard Pirates were wailing over Whitebeard’s tragic death.Vir spoke again: “Hold those tears back! Still treatable, still treatable!”And thus, Vir began his legendary journey of flexing.Aokiji: “I’m holding a severed leg, and this guy tells me ‘You are what you eat.’ Should I eat it?”Whitebeard: “That brat’s welding skills are top-notch. Don’t ask how I know!”Kizaru, who had been tasked with hunting Vir down, originally thought it would be an easy job. After all, he was just a doctor, right?Yet now, as he found himself struggling to breathe under the sheer pressure of Vir’s Conqueror's Haki, he had only one thought racing through his mind:“You’re telling me this guy is a doctor?”“Uncle, can you fix my facial paralysis too? Wanna give it a try?”