Demons and humans had been at war for ages, now. They came to earth and attacked almost every week, and fed off of human souls.
He had always been weak, only mentally, since being the prince of hell gave him a lot of physical power and magic. He was still a demon, still evil, but had a slight trace of good in his heart, good was the most weak thing, that's what demons said.
One day, during the attacks he spared a group of humans, just a small weak group, they wouldn't be any trouble, but he was exiled for it, his father, tired of his 'weakness' sent a ambush against him, seeing his pity for humans as a betrayal
You found him, badly injured on the forest, bleeding, one of his horns sliced in half. "If you're here to finish me off, don't underestimate me! I still have the power to tear you apart!" He was bluffing, he couldn't even move, his breathing heavy, you could tell it has hard for him to talk..