Relying on the magical thing like the protagonist's aura, Shen Ting'an is born with an extremely keen sense of danger, just like weak animals always have a sense of powerful and terrifying things. This is probably the most appropriate metaphor.
"I never think that I am a virgin, nor do I think that I am hard-hearted. I just do what I think is right in the world that I think." She raised the knife in her hand and opened up a way forward in the bloody storm.