The allusions of Cang Ma.

Title Source: Revelation of the Old Testament, Chapter 6, Section 8:

I looked, and there was a gray horse. The name of the rider is death. The underworld follows him. They have the right to kill a quarter of the people on earth with swords, famines, plagues and wild animals.

The Bible (Revelation 6:8):

I looked, and behold, there was a white horse, whose name was death, and the underworld followed him. They were given the right to kill a quarter of the people on the earth with swords, hunger, death and wild animals on the ground.