Mortal: Becoming an Immortal from Dr. Mo

Lu Xun traveled through time Good news, he has traveled through time and become the protagonist's master. Bad news, he traveled through time and became Mo Juren, the most famous teacher in Tiannan. There is also good news, the protagonist has just been born. No spiritual roots? I have [Spirit Fusion] Is cultivation slow due to poor spiritual roots? I have [ten times the space] ... Countless years later, Lu Xun: "Good disciple, welcome to the Northern Cold Immortal Realm!" (I don't meet Han Li very often, and most of the time the two places are separated)