Mortals Cultivating Immortality: My Spiritual Root Is a Tree

[Dark Immortal Cultivation | Cold-blooded Butcher | Decisive Killing | No Female Protagonist] He traveled through time and became a handyman in a medicine garden. The vicissitudes of his thirty-year-old mind were locked in his eighteen-year-old skin, but his spiritual root was actually a useless sapling? When his 300-pound fellow disciple was chopped into pieces and thrown into the medicine field, he finally came to his senses—— In this world, survival depends on killing, and immortality requires being stained with blood and becoming a demon. From today on, everything that stands in the way is fertilizer.