A Thousand Years Later, I Came Back

Five years ago, Jason Stone was diagnosed with a terminal illness, and his girlfriend ran off with all his money. When he was about to commit suicide, his master, who was passing by Earth, took him to cultivate immortality. A thousand years later, he became a Great Sage, living on an alien world. One day, he finally connected to a spacetime vortex back to Earth, so he risked his life and made it back.