Begin the Evolution of Immortality from a Willow Tree

[No heroine + decisive killing + spiritual energy recovery + system] He traveled through time and became a willow tree, and his spiritual energy revived. [The only mission released by the system: survive in this world] "I actually became a tree! It's so strange! It's so unnatural!" The spiritual energy gradually recovered, and he embarked on the path of evolution and immortality. "Okay, okay, you're no longer a human being, right? A tree is a tree. Look at me, one flower is a world, one leaf is a universe." Spiritual energy revives and everything rises. And there was a willow tree, rising from the ground, covering the sky and the sun. What height will it eventually reach. … I don't know how many years have passed in the past, some people may have become the "sacred tree" and some may have called it the "demon tree".