Top 2 in Top 10 strongest demons in Chainsaw Man manga.
The Darkness Devil is one of the demons with the shortest appearances, but in that time the Darkness Devil has proven just how terrifying it can be. Darkness Devil has a terrifying appearance filled with human bodies all around. There are still many mysteries about Darkness Devil. Using his abilities, the Demon of Darkness first appeared when he easily transported Denji along with the others in Hell.
What makes it such a terrifying demon is, Darkness Devil possesses an incredible speed that allows him to cut people off in a split second before anyone can blink. The Demon of Darkness is considered the Primordial Fear that even the Demons of Hell must fear. It is also revealed that he is one of the transcendental demons who has never experienced or encountered death.