Myriad Stars: Sage, book 1. A LitRPG Universe

Close your eyes and imagine for a second that there is a being who has been alive since the beginning of time. They've witnessed the creation of the universe. They've seen countless legends come and go. They've observed the creation and destruction of communities, species... entire planets. They've even caused the rise and death of literal gods. Such an existence would be scary, yes? Terrifying, even. Now open your eyes, because you don't need to imagine it. That person is real, and his name is Fang Huo. Enjoy this great Xianxia Cultivation novel. Myriad Stars is an universe filled with cultivators and a great deal of LitRPG/GameLit stuff.