Tale of the Nine Tailed 1938 S01 E10 Chapter 10: Shinigami Mercenaries

"The days of protecting are over! It's time to hunt."

In the painting at Bando Hotel, Room 404, the three mountain gods face Ushiuchibo. At the snap of his finger, Hong-joo and Moo-yeong vomit blood. Lee Yeon searches for an antidote in the woods when he encounters an injured old man. The old man turns out to be Onyudo, a mercenary. As black smoke emerges from his mouth, something unbelievable happens. They switch bodies!