Eye Demons are a type of Demon used as surveillance.
Appearance
They are a black jelly-like monster with a head bigger than it's body and covered with hundreds of eyeballs.[1]
Background
Eye Demons are placed at the highest point of the demons campgrounds as surveillance, and because of their ability, they have caused a great number of casualties among the commando of the Blessed Army.[2]
Chronology
Power and Abilities
Eye Demons do not need to really "see" people, because they could sense and locate their enemies upon being noticed. Nobody could possibly escape their scrutiny, neither the invisible nor the ones descending from the sky unless blindfolded.[2]