Well, I think if the vampire died at that moment he enjoyed the soup, the conversation between the vampire and the dragon won't happen that questions his relationship to the nun.
@Joonhas Uh, I think MC just don't want to cause unexpected outcome if he manages to heal the little girl and he just doesn't want to involve himself even further by not letting himself emotionally moved if he know the ailment the little girl comes to be critical so he didn't ask or check the...
Uh, I didn't quite get it at first but my guess is he uses the already acquired capability in magic, holy power, and necromancy separately and the meridian circle sole purpose is to combine all three type of energy without him exchanging the type of energy he want to use. Perhaps I could be...