Have I Become a Teacher of Saints?

Accidentally traveled through the wilderness and found that he had become the teacher of a saint? Also got the prehistoric development system? Thirty-three outer heavens, inside the Zixiao Palace "What? Have I traveled through time?" A middle-aged man wearing a purple Taoist robe and exuding infinite Taoist essence murmured to himself. Yesterday, he was still in bed watching the Taoist cross talk between a certain Degang and a certain Qian. He fell asleep because he was too bored. When he woke up, this scene appeared in front of him. "Ding, congratulations to the host for activating the plane development system. This system will fully assist the host to become the master of all planes." Dao Feng, who had just woken up, was still in a trap when he heard the voice in his head suddenly let out a strange smile of "geigeigei" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.