One Piece: Fist of the World - Chapter 43: Sister and Brother

With the Legendary Mechanic System, I transmigrated to Marvel Universe to be Dr. Zola’s assistant.

With Mechanical Force Analysis, I can learn every black technology.

Winter Soldier’s arm? I built a better one for you.

Iron Man’s armor? I already made it a decade earlier.

Doc Ock’s tentacles? I am the one who provided core technology.

Hulk’s mutation? Sorry, I was there and got hit by the radiation too.

As for a certain purple potato, can he collect all Infinity Stones?

……

However, I only had one simple ultimate dream. That is to go home…

- Description from Novelupdates

After dying in a tragic accident, Oscar was reborn into a lowly tribe in an ancient world of great magic where only the strongest survives. Following the decimation of his family, his only solace comes in the form of a remnant which resides in his body.Live the tale of powerful warriors and deadly monsters, and tell the story.

You have no memories. You don’t know who you are or why you’re here. But none of that matters.You are one of a thousand chosen, thrown into the Pantheon’s Ordeal, a brutal trial created by the gods. The rules are simple: survive, grow stronger, and uncover the truth about yourself. But this trial is not fair. The challenges will break you. The monsters will hunt you. And the people beside you? They are not your allies, they are your competition.Only ten will make it to the end. The rest will be lost forever. But if you survive, the gods will reward you with power beyond imagination.Now, fight. Endure. Remember who you are.Dune wakes up in a strange, empty place with no memory of who he is or how he got there. All he knows is that he needs to survive.As he faces dangerous creatures, humans, and tough trials, Dune starts to uncover fragments of his past. He meets allies and enemies, each revealing new clues about the mysterious world around him.Driven by a need to remember, Dune pushes through impossible, hoping to reclaim his identity and uncover the truth about world he’s trapped in.

Ethan, a high school student that died alongside his bully transmigrated into another world.Ethan awakened in a parallel world, one where supernatural talents determined your worth, and the talentless serve as expendable cannon fodder.Born talentless in this new world, Ethan finds himself assigned as cannon fodder against the monster hordes that threaten humanity.But his death in the previous world seemed to have granted him a supreme Talent.Follow the story of Ethan as he awakens the strongest talent and strives to become the world's Strongest.