[Fantasy] [No System] [Hot-Blooded Upgrade] [Slow Heat] There are time-travel immortal cultivators outside time and space who control the protagonist to survive on the continent. They are like a test subject. Through constant experiments, they control variables and let the continent become the nutrient for their cultivation of immortality. Who is willing to be controlled by others for the rest of his life? With a trace of persistence in cultivating immortals, and relying on a book, he embarked on the road to kill the sky.
