Stone Devil

The Stone Devil (の) is a devil that embodies the fear of stones.

Appearance
The Stone Devil appears to be roughly the same size as a average human being with stone like skin, a tail, canine legs and multiple pairs of eyes.

Personality
The Stone Devil's personality is mostly unknown. Kusakabe describes it as being fickle.

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

International Assassins arc
After Kusakabe has been sent to Hell along with other Devil Hunters, he tried to use Stone Devil's abilities by drawing a circle by his own blood. However, the Darkness Devil summoned and grabbed the Stone Devil immediately which resulted into petrification and crumbling of the Stone Devil and Kusakabe.

Abilities
Not much is known about the Stone Devil's abilities.

Contract Creation: As a devil, the Stone Devil can bestow contracts upon humans for a price. The Stone Devil is known for being fickle with contracts, making it dangerous to use near allies. The contracts with it seen so far are:
 * A contract with Kusakabe for an unknown price. By standing inside of a special circle and blowing through a hole formed by his hand, Kusakabe can petrify enemies in front of him.

Blood Consumption: As a devil, the Stone Devil should be able to restore its health by consuming blood.

Revival: As a devil, the Stone Devil should revive in Hell after being killed effectively making it immortal.