I find the demon that's fucking with you, and I kill it. [ Dorian did mention they were capable of influencing a person without forcing physical change, or possession. If that is what's happening with the older woman before her, then this might be the only way she can help—that, or removing the woman from the demon's vicinity.

She kneels before Jill, movement slow, steady, and cautious. ]

But first, let's get you out of the area. A shitty alley isn't any place to hide, or feel better.