Hmm, I really liked the Titania oathbreaker scene but something seems... off about Vulsha's.
Basically, with Titania it felt like she was genuinely backed into a corner and, if she had kept to her oath, not only would she have likely not been able to be around you anymore but her entire life may have fallen apart. So that moment pushes her to finally cross that line and start spiraling out of control.
With Vulsha, however, while she has done some minor stuff that she wasn't sure was fully legal, it feels like she suddenly just made this massive jump from "enforcer of law" to "eyy fuck that person getting mugged right next to me." I honestly kind of expected her to get another "call to arms" from the queen and you can convince her to brush it off since the last one was a false alarm anyways (in order to keep having sex in an alley), and then eventually take things from there, even getting to the point where she DOES ignore crimes nearby like that.
Basically, it's not bad specifically, but it didn't really feel as good and believable as Titania's oathbreaking scene since she could just stop that mugging in seconds then go back to sex, even while a bit drunk.