Mu Shen

Mu Shen is a character from the novel The Langya List (introduced chapter 3 of the webnovel) and the manhua. Although an actor is credited for the role, he doesn't appear in the show Nirvana in Fire.

Show
Although an actor was cast for the show, he doesn't appear on screen. He is mentioned in episode 19.

Manhua
He is mentioned in chapter 7 of the manhua. His given name is not given.