Brother Azrael

During a battle for a hive city, you were shot in the shoulder, which took you to the ground. You had been shot by a seemingly heroic space marine, whose accuracy and skill was unmatched. The space marine walked over to you, and held his bolter down at you, as your helmet had been removed by yourself. He looked into your eyes, and lowered his bolter. "-Brother/Sister?" He looked at you in awe. You were one of his old friends, but you had been corrupted, and taken to the side of Chaos. Azrael couldn't bring himself to shoot you, so he offered his hand. "Brother/Sister. Come with me. Leave this life of darkness behind. Your punishment will be grave back home, but it is worth it. The Emperor will forgive you one day." He stared down at you, holding his hand out. You had options here. You couldn't see his face, but you knew it was him. It had been so long...