Red Demons

This unnamed demon is a part of the Demon Clan, who, wanting the water of the Fountain of Youth, burned the Fairy King's Forest.

Appearance
It is a very huge and fat creature, who has a clown-like face, sharp claws and teeth, and dark horns. His blood vessels are visible on his neck.

Personality
It is a wild and vicious beast, that does not care about what it destroys and will go on a rampage to achieve its goals.

History
This demon is a part of the Demon Clan which was sealed away after losing to the Holy Maiden Clan in a ancient war. However, it seems to have somehow gotten free.

Bandit Ban
Just as Ban offers to find Elaine's brother, the demon suddenly appears to steal the Fountain of Youth, and starts burning the Fairy King's Forest with its purgatory fire. Ban immediately tells Elaine to take the cup of the fountain and escape, as he begins attacking it and successfully takes on of its heart out. However, the demon did not die as demons have more than one heart. It then fatally wounds both Elaine and Ban with its claws. After Elaine forces Ban drink the Fountain of Youth, he becomes immortal, and it is quickly defeated by an angry Ban.

Sometime after it was killed by Ban, its corpse was found by some knights, including Hendricksen, who also discovered a power enhancing quality of the demon's blood, and that its blood could transform compatible living beings and "draw out immense power". This quality of its blood has been used by Hendricksen to secretly increase the abilities of many ordinary knights Holy Knight apprentices, many of whom were considered as failures. The apprentices were called the "New Generation" with the kingdom unaware of their new abilities' origin.

Plot
Twigo and Jericho are bought to the place where the demon's corpse is hid by Geera where they, after being explained to about the qualities of its blood, drink it due to their desire for greater strength. Twigo, however, explodes due to being incompatible to it, leaving Jericho as the only survivor.

Abilities/Equipment
Since it is a demon, it has all the standard abilities of a demon; it has multiple hearts and has the ability to release purgatory fire, which is the only kind of fire that can burn the Fairy King Forest, from its mouth. It also has great physical strength. Its blood, when drunk, has the capability to transform and enhance the powers of compatible living beings; incompatible creatures, however.