|Known Members||Basara Toujou part demon|
|Known Enemies||Hero Clan|
The Demons are the heroes' sworn enemies.
The beings that would become demons were originally driven out of the Divine Realm. Since then, the demons have been at war with the Hero Clan. After the great war, Demon Lord Wilbert worked with Jin Toujou to create an armistice between the Demons and Heroes. In the period following the armistice, there's been an ongoing political struggle in the demon world.
The Demons live in the Demon Realm or Demon World. It makes an appearance in the 2nd Season (Burst) of the Anime.