Become a God from a Piece of Bamboo

[Mortal flow + no system + slow heat + no heroine] Living is everything! The monks fought and killed each other in order to prolong their lives, but in the end they died without even using 1/3 of their lifespan. And in Jiangcheng, after being transformed into bamboo and not moving for ten years, the immortal passed by and took a sip of immortal wine, and he embarked on the path of cultivating immortals. From then on, the sky is high and birds can fly. I have the longest life! Welcome to the fantasy world of Jiangcheng.