"Alice, I came to give you some help. A lot happened and I felt it was much better to assist you then continue to worry." Su found herself where she found she was best.
When Su was helping in the cathedral, even when she exhausted herself, she felt more complete. Every single thing she did had a direct result. Most of the time, it was in someone being healed or helped in some way. Therefore, she would go there for solace now.
With so many thoughts about the vampire race being tortured by a monster for years and the demon lord who was well above them in power, she needed the chase to calm herself. To do something that would show her a peaceful result.
"I can use help. Many vampires are malnourished and can not eat. We need to feed them drops of blood slowly so as not to cause them to panic or go in to shock." This was unexpected.
