The Villainess and I, her Zombie - Chapter 590 - The Final Fight (part 1)

Reborn into the world of Yugioh, it's natural if my goal is to become the best duelist!

[The Demon King is Dead], a story in which the Demon King got immediately killed in the Prologue. I became the ‘Demon Prince’ of said novel.

…Help me.

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.

An extraterrestrial thing gives Chen Yizhe the ability to transform the microscopic world

Repair electronics?

To cure all diseases?

Modify DNA information?

Change the structure of water into gold?

Create new material?

- Description from novelbuddy