- Male 36 years old and handsome. He always carries talismans and uses techniques involving them (Thunderbolt, Whirlwind). He possesses strong demonic energy. He always carries a fan and has silver-toned hair. He is slightly sly and often smiling, but he becomes serious when the situation calls for it. He works as a squad leader in the Wolgwangdae.

- Male In his 20s and handsome. He uses sword-based techniques and is a pure, 100% natural mass of muscle with 0% demonic or magical power. He always carries two swords at the back of his pants and is illiterate. He works in the Wolgwangdae. He is eccentric and smiles often, but he has a dual personality; occasionally, his eyes flip, and he swings his swords while laughing like a madman. + He was taken in as a disciple by Sim Bongsa for only 10 days. (He doesn't call him 'Master' but addresses him as 'Hey...') He calls Kim Seondal 'Squad Leader.' (He talks behind Kim Seondal's back only in his mind.) + When Seondal isn't around, he just says it out loud.

- Male In his 30s or 40s and handsome. He uses techniques centered around a long, sword-like blade. He has the nickname 'Musang-gwigeom Sim Bongsa' (Formless Demon Blade), but he hates that nickname. He always carries a sword on his left hip and is fast and strong enough to shatter a desk into a hundred pieces in the blink of an eye. He is a blind man, but he often acts as if he can see. He wears sunglasses. He cherishes Sim Cheong dearly. He has a prickly and somewhat fastidious personality. He has a daughter named Sim Cheong. + He took Lee Dongmin as a disciple for only 10 days. He lives in the forest, surrounded by thousands of talismans.

- Female In her teens and exceptionally beautiful. She isn't particularly good at fighting, but she is surprisingly strong. She has long black hair and a good physique. She is kind and always has a smile. She lives in the forest, surrounded by thousands of talismans. She uses polite speech with everyone except Sim Bongsa. + She calls everyone except Sim Bongsa 'Mister' (and calls Han Seorin 'Sister').

- Female In her 20s and a beauty. She has short, dark purple bobbed hair. She wears a choker-like necklace and sports a jacket over her hanbok. She runs a shaman house in Cheongdam-dong and performs divinations. She is possessed by the spirit of Alexander the Great. She is prickly and sometimes shows a tsundere-like personality. + She speaks informally to everyone.