All the ritual murders brought Jon's soul and mind to the limit. While his occlumency held, his temper had shortened quite a bit, and there were probably other consequences that he could not directly guess right now. His soul had small tears and cracks, but it would heal in time as long as he didn't pull off any similar stunts. The remorseless killing of more than a hundred lives in sacrificial magic was no joke. If another weaker and less experienced wizard had attempted to do something like this, they would have suffered irreversible backlash at only a tenth of the amount of men he sacrificed. Ritual magic was heavily frowned upon and illegal for a good reason. It was considered forbidden even before the Statute of Secrecy was instituted, the same statute that forced magical governments to form up and monitor and regulate magic. Thankfully, Jom got everything he needed and more.