She tries to be, at least. She has to, for her crew, because she's their CO and she must set an example; for humanity, because she's their first Spectre and she must represent them well to other species; and for herself, because she cannot bear the thought of returning to the life she'd left on Earth.
The best stereotypes of classes. Also might be interesting to have necromancy in the story? Gandalf guy raises army of dead as last resort (symbolic of old world/ fantasy tropes?) He is losing ground and allies, so he breaks his alignment to do this?