Black Dragons are warriors. They are strong and capable in battles of force, but also ample magic users, capable of devastating opponents with their spells. Their bright eyes give them excellent night vision, which is why they generally hunt during the night.

Dragons are highly-intelligent reptilian creatures that—from a human perspective, at least—appear to live forever. Many different varieties of dragon exist, each with their own unique qualities, habitats, and behavior. Adolescence in dragons is usually marked by the growth of a hatchling’s wings, although not all breeds of dragons grow wings and some breeds have other traits that indicate the beginning of maturation. In Galsreim, dragons and humans coexist peacefully.

Keeper of the scroll pride is his main characteristic. Since he was a hatchling, Satan was a lonely dragon seeking to become powerful and learn the black magic arts. Because he was so different than the other, he was exiled. But this didn't discourage him. He continued to practice the black magic and learned to fight very well against any opponent dragon. But yet, he has a peaceful and nice character.

After many years of loneliness he started to search for his own territory and his greatest wish was to have its own family and to have its own destiny. Looking in its own eyes, sorrow could be read. He flew above the mountains until he found a small area between the mountains. He entered the cave to have some rest, but there were already a few dragons. All those dragons feared him, but not for long time. He was chosen to be the keeper of the cave. A dragon named Occultess, chosen him as mate, and together they founded the ArhDemon family. Now Satan is the favorite dragon of the cave.