Kang Shi Training Center

Jeon Woi Ja, the wizard, uses evil spirits to serve his selfish desires. He opposes the Gang Si (frozen corpse) training center, Bubekjang Center, which educates wandering spirits and sends them away. Woi Ja picks the most evil corpses and sends them to the center in hopes of ruining it but without success. When his evil amulets fails to work he chants the eight signs of divination in hopes of getting rid of the gang sis. But the gang sis band together to fight Woi Ja and succeeds in reforming him and guiding him to a better path.
(Source:
Letterboxd)