Weird Recovery: I Control Millions of Ghosts and Become a Ghost Emperor

[Urban practitioner + ghost control + no heroine] Did you know that there are vampire zombies that have been sleeping for thousands of years hidden under the deserted graves in the mountains? Did you know that there are life-threatening ghosts hidden in the neon city? Did you know that the world in which humans live is actually a cage that suppresses weirdness? Once upon a time, eternal night shrouded the earth, strange creatures were killing people everywhere, and all life in the world was in ruins. Until a practitioner with extraordinary abilities appeared, suppressed the strangeness in all directions, and sealed it. Nowadays, the spiritual energy in the world is exhausted, and practitioners are forced to give up their practice and survive in the world. The seal that suppressed the strange creatures began to loosen. Will humanity be annihilated this time? Or will the weirdness be eliminated?