I Started with a Ruined Temple, but I Relied on the System to Become the Immortal Emperor

In the beginning of the ruined temple, Niu Kun, a mortal boy, has no spiritual roots and his life hangs by a thread. Thanks to the blessing of the heaven-defying system, the road to immortality begins! Refining elixirs, making talismans, and setting up formations are all proficient, and resources are pouring in! The ruined temple turns into a fairy palace, and a mortal finally becomes an emperor! Let's see how he changes his fate against the will of heaven, breaks through the void, and achieves the supreme immortality!