Incubus: Silver glowing eyes.
Vampire: Red glowing eyes.
Werewolf: Green glowing eyes.
Witch: Purple glowing eyes.
Wizard: Blue glowing eyes.
Hunter: Normal eyes.
Whenever the demons' eyes start to glow, that's when they enter combat mode or for Witches and Sorcerers, their eyes glow when they cast a spell. The demons' eyes also glow to intimidate an animal or person.
Elite Incubi: Kim Seokjin, Min Yoongi, Jung Hoseok, Kim Namjoon, Park Jimin, Kim Taehyung, Jeon Jungkook, Haruno Riku and Haruno Rika.
Elite Vampires: Kaneshiro Akira, Katayama Izunagi, Miyasaki Naoki, Nakajima Yuki, Sakurai Hideki.
Elite and Normal Werewolves: Unknown.
Elite and Normal Witches: Unknown.
Elite and Normal Wizards: Kim Yoosung
Hunters: Kim Y/N, Shin Jiho, Lin Flara, Boss. (These are just the main characters.)
Unknown: Hwang Nari.
A/N: I made a mistake in the previous "Different Types of Demons" chapter. Instead of Wizard, I put sorcerer. I fixed it though. Sorry! I'm such an idiot..