Knife Devil

The Knife Devil (ナイフの) is a devil that embodies the fear of knives.

Appearance
The Knife Devil's appearance is currently unknown.

Personality
The Knife Devil's personality is currently unknown

History
At some point Kishibe made a contract with the Knife Devil, for an unknown price.

International Assassins arc
One of the fiends working for Quanxi examines Kishibe with her ability and comments on the contracts with other devils he has, including the Knife Devil.

Abilities
As a Devil, the Knife Devil possesses all of the standard devil abilities. Besides those, not much is known about the Knife Devil's abilities, except that it must be very powerful as Pingtsi defines it as dangerous. It has a contract with Kishibe for an unknown price.