MTL - Azeroth Shadow of the Moon - Chapter 780 Accumulate steadily

I am Stephen, assistant to Vegapunk. After transmigrated to the One Piece world and failing in the attempt to take down Imu in collaboration with the Revolutionary Army, I unexpectedly found myself transmigrated again, this time to the Pokémon world.Although my body has become smaller, my mind remains as sharp as ever. My current identity is:The Chief Pokémon Professor of the Pokémon LeagueA mind 500 years ahead of its timeExecutive Vice-Leader of Team RocketThe second Master-level Trainer after Professor RowanThe benefactor recognized by Rayquaza as its successorHonorary Chairman of the Alola LeagueSupreme Commander of Dark Pokémon!

Who, in the ancient mythology, held an artifact and killed the first emperor of the human race?

Who, at the beginning of ancient times, closed the gate of the God Realm, Jedi Tiantong?

Who set a lifespan limit of only one hundred and thirty years for the people, and even the Great Emperor was not spared?

Who, turned into a black hand that covers the sky for eternity, shrouded the world?

…

Yang Shou on Earth: “Yes, yes, I did it all, I just want to live.”

- Description from novelbuddy

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.