SPELLCRAFT: Reincarnation Of A Magic Scholar - Chapter 59

500 years ago, Chen Xi was devoured by a crack in the void and was transported into a cultivation world.

Humanity’s home is no longer Earth. Intersellar travel is now a common occurence, and technology has replaced blood and flesh.Luka, who grew up in the slums, has turned fifteen and taken the selection exams. His aptitude is of the “Imperial Guard.”

I don’t know when, there is an extra mysterious area in the world that connects all the different planes, illusion. Here you can get countless wealth, beautiful beauties with different styles, and powerful powers that can destroy the world.

Countless people who seek their dreams and ambitions come here. Some laugh, some cry, some live, some die. This is the paradise of the strong. Here is the hell of the weak. And our story starts from the moment when a young man who has the most mysterious EX bloodlines in the whole fantasy world is born again seven years ago.

- Description from PhoenixPhantom

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.