it requires a special intuiton to be able to see a demon, but the real demons are the ones within
His eyes actually turned black and it was because he had so much demon blood in him that he was practically a demon, and demons have black eyes.
demons are 13 feet tall reptile looking monsters with no hair and orange / red glowing eyes with jaws with jaged teeth and foot long claws on each finger
there isn't a kuubi sage mode. the eyes you see in the manga is just a mixture of his demon fox chakra and his sage chakra giving his face the appearnce of the kyubi cloak and the sage mode eyes.
A Bear with 4 arms and red eyes
Look behind you!
A demon that usually appears in creepypastas.
I would have to say if you are dealing with demons with blue eyes, you would have to eliminate people with blue eyes! Harsh i know, but ive got brown eyes! Good hunting!
A demon Acala is just an ordinary myth. Acala is or was actually the devils name. See the demon word is just another name for devil or spirit.
ogor demon????
An ugly red skinned demon who will stare you in the eyes and strike fear into you.
demon dogs with the minds and eyes of all of the dead tributes.
How do you see through your eyes ?