The skill is called backstep, it works as long as she is in danger, not specifically if she's near fire. She is supposedly a trained soldier with many years of experience but gave up at the literal first sign of danger.
Literally 0 reason she didn't just also use backstep to get out of the pin. Also how did she get naked if he didn't get off her at some point? Completely giving her room to just start attacking again.
An edgy protagonist combined with bad writing? My favourite. Leaps in logic and dumb as rocks villains? woohoo. All within the 2nd chapter where the story really begins? Amazing.
I'm having a mandela effect moment. I remember there being a chapter where they run into the german girl carina again after the visit home chapters 47-49 But I cannot find it no matter where I look.