The Acolytes will react protectively, but if Istredd and Urianger are cautious and indicate that they have something to offer her, the Mysterious Acolyte will approach them. Though she is timid and will not talk to them yet, she'll accept their offerings.

The next day, she will walk by one or both of them again in a way that seems deliberate. If they continue to give her offerings, she will stop after the third or so time. At that point, they may attempt to converse with her by asking a question.