The novel you are talking about should be a supernatural file. This novel, written by the author Ten Bridges, tells the story of the "paranormal archives" group set up by the government to investigate paranormal. There are three members in the group, namely "Lingtong" with yin and yang eyes, "Lingquan" with psychic ability and "King Kong" with stunts.

There is a story about an ascetic monk in the book. The ascetic lived in the rented house for several years without eating or drinking until the landlord's son came to visit. Finally, in the decisive battle between the protagonist and the evil forces, the ascetic monk also came out to help the protagonist.

According to your description, this story is very consistent with the story of "ascetic monk" in the paranormal file. So, I think the book you are looking for is the paranormal archives.

The novel paranormal archives was published by Hunan Literature and Art Publishing House on 20 10. At present, this novel has been published in seven volumes, and each volume contains many supernatural stories. If you like supernatural novels, I recommend you to read this novel.

The following is a brief introduction to the paranormal file:

In an ordinary city, there is a mysterious organization-"paranormal archives" group. This group was set up by the government to investigate supernatural phenomena. There are three members in the group, namely "Lingtong" with yin and yang eyes, "Lingquan" with psychic ability and "King Kong" with stunts.

The three of them have experienced a lot of thrilling paranormal together, and they have also seen many incredible phenomena. They use their own strength to guard the peace of the city.

The novel paranormal archives is full of ups and downs, suspense, mystery and excitement. The story in the book has both horrible elements and tender details, which makes people want to stop.