Fantasy of Cultivating Immortality

500 Years ago, there was an invasion from another world, and a series of things happened. In the next five hundred years, a series of things happened again. I am not very good at writing introductions. The author is very honest and writes with great care. I joined here because of my hobbies. Thank you for your support. The style is probably more casual, and elements of a game are added to it. Guess what game it is. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.