Immortality Cultivation Era - Chapter 877 - The Stepping Stone

Gawain is dead and was transmigrated, but there was a slight problem during the process.
After floating for more than a hundred thousand years on a different continent, he felt that he might need a body to become a complete transmigrator, but he did not expect that…

- Description from Novelupdates

Receiving the terrible news of never again wielding the bow has him spiralling down depression lane.However, things took a turn for the better when he opened up to see he had been transmigrated to a world of his favourite novel, as a character bedridden in a coma for five years.Aldrich Aldaman is an extra who met his end after being in a coma for five years.

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.