Its actually more development for the gorl than the light novel, this part in the light novel was 4 chapters eith 2 pf those chapters him selling rich people food as a middle aged buisness man, and healing the girl half a chapter
@1idd0kun She's been dead for a while, her body was decompsing before hand and the necromancer was sort of holding her together untill she recieved the ring.
@Ceereus it probably has to do with the fact that she was originally assasinated on his orders, so he's wanting things to go on his terms not the dukes