Your idea about the Hellknight being around to watch her may fit since she wants to have him leave as soon as possible. Overall she has not been doing evil things, just staying at the expanding town to oversee things, but having not been organizing evil things or anything. The only problem was when she wanted to summon Erinyes to sing at the wedding which got my cleric all O_O "NONONONO!" My character however was interested since while he does not worship devils, he's just interested to see them. He is not against where she is from, just worried the traditions of her country may cause problems.