The Monster in the Study Room
He turned around and saw a monster, about five feet tall, with tiger teeth and wolf eyes, fur like a monkey, and claws like an eagle or hawk, wearing leopard-skin pants.
During the Zhenguan period of the Tang Dynasty, Xu Jing and Zhang Xian studied together in the Yanyue Mountains. The study room had two rooms, one for each person, with a distance of one zhang between them. Xu Jing was in the west, Zhang Xian was in the east, and each had their own doors and windows.