The Demon is the basic mutant of the Mythic gene. She can be bought from the shop for 500,000 after defeating the campaign boss of stage 8 : Neo Paris.
The Demon appears is a slender red-haired female demon with pairs of horns, wings and tails wearing a full body tight cat suit. She is seen conjuring a pinkish flame which she can use to blow at her enemies in her attack. In her upgraded first attack, she can conjure up her flame on both hands to incinerate her opponent.
- Attack: Medium
- Life: Average
- Speed: Intermediate
"It was playboy billionaire Max Real who first funded the research of blending genes to create mythical creatures for his own private wildlife park. After his unfortunate death at the hands of the roaming orc tribe all his research was turned over to the Gene Arena. Now you can have the pleasure of seeing these incredible creations yourself!"
- This mutant appears to be based on the Succubus, a supernatural entity found in many different pieces of Medieval folklore. It has a male counterpart, known as an Incubus.
- The color of her helmet and clothing corresponds to the color of the star it was used in breeding.
- The basic version strongly resembles the demon girl from The Hentai Kyonyuu Fantasy.