she does stop at +6350 +1500
right next to Tabien the Goodly
hand her the pear and she happily gone
Xenyari can be found at the Protected Stone Ring, surrounded by Unkempt Druids, located in the northwestern area of the Rathe Mountains. She runs around the top of this hill, but can be stopped easily with a hail.
Xenyari Lisariel says 'Oh, I wish I had a prickly pear. I just have this insatiable craving for a prickly pear. But Permafrost is just so far!
This is a hint to the Etched Stone quest.