/lit/ - Literature

Would demonic red glowing eyes or more neanderthall humanesque looking eyes be more creepy? I want to go into slightly more detail describing the eyes and how they affect the narrator I want to keep ambiguity but don't want to imply it is something like a demonic entity

Would it be more creepy to describe Big Foot's eyes as demonic or slightly humanoid to give it that more of a missing link edge towards it. I feel like I should go into the eye description a little more