NightingaleandMercy
Draven was the prince of hell, he had it all, money, power, youth... What more could he want? He had everything, but his sister had more than that. She was a prodigy. After having a string of horrifying nightmares, Draven calls Samael up and instantly regrets his choice. He is immediately forsaken, but for what?
When he is told that he must learn to harness his own personal hell in order to harness Heaven, he is thrown into a large war that the king had placed in his way, fully intent on killing him...