One Piece: New Order - Chapter 76: The Darkness of The Marines

Shao Ci was bound to the ‘Befriending the Most Powerful Person’ system. After crossing through, only then did he discovered that as long as a more powerful person emerge, this unscrupulous system will immediately change the ‘capture’ target….

- Description from Novelupdates

An orphaned boy with dreams of making it big through being a blacksmith is given a once in a lifetime chance to succeed when he's taken in by an odd pair - Eggor and Ella. While former teaches him the arts of craft, the latter teaches him the mysticism of cultivation, granting him two paths to tread in this life.

This is the first part, the second part is “Playing Fish Trapped in a Secret Room (密室困游鱼 Mi Shi Kun You Yu)”.

In 2007, at the WCG Asian Tournament in Singapore. In just a few hours time, between left and right hands, there goes a life and death battle. In the Chinese team that year, there is a professional player who’s only 15 years old, nicknamed “God’s Left Hand”. At that match, he sits right next to her.

Their professional lives start from 14 years old until they retire, disappear, at 25 years old.

In these non-mainstream tournaments, where a small niche of the population follows closely, their only possessions are a mouse, keyboard, and headphone each. There they won gold medals one after another for China.

Su Yao passed through and traveled to the Marvel world to become a mutant. He was still in the experimental base. He expressed a little panic…

Fortunately, at the critical moment, the mutant ability ‘imitation’ was awakened to imitate the opponent’s ability!
…
Imitation object→Orochi (title: Sun God, Will of the Earth)
Imitation object→Wanda (title: Scarlet Witch, owner of chaos magic)
Imitation object → Sun God…
…
Professor X: “We must find him as soon as possible and guide him to control his power to avoid causing irreparable disasters!”
Magneto: “You are my child???”
Thor: “Brother?”
Loki: “?”

- Description from novelbuddy