No one who had gone through what Niu has (and, like Niu, is not a completely hardened type) would turn around and try again, especially without any high-level characters. As a sane person, not to mention one whose best friend sacrificed his life so she could get away, she's going to be leaving the area as quickly as possible, with a good chance of some PTSD to boot.
Originally Posted by NerfTW
Most likely after getting a sending spell, she'll simply book passage to the island the rest of the Azurites are on, or the Elven homelands.
I agree with this.