Qingyu Fairy Clan

[Family story + group portrait + no system + slow heat + the protagonist is an elm tree] Li Yu accidentally traveled through time and turned into an old elm tree. On weekdays, he can only practice breathing the spiritual energy of heaven and earth. There is a small village of mortals around him. The people in the village have the same clan and ancestors, and they are all refugees who moved here after encountering the war. Li Yu took root here and taught immortal magic. Millions of years passed, and the original refugee village turned into a supreme immortal clan that dominated the era.