Hells-Plane
For many centuries demons had been the absolute ruler of hell, although hell was not their original world when the first demon named Lucifer Morningstar the first of his kind appeared in hell centuries ago the original dwellers of hell the devils were kind to him, showing him with love and affection.
For years they thought he was a divine being who had come from above to help them, before Lucifer's arrival to Hell, the place was an uncivilized and dangerous place where devils battle each other for supremacy, the battle for supremacy had been going on for eons, but there was one rule that the devils followed and the was to never involve unwilling party into their fight.