This encounter was actually balanced exactly as planned! I didn't touch it at all, which is sort of funny. Also, it was only a Hard encounter, but I am le good with being nasty at terrain use.
The treasure? I mean I assume whoever is a caster gets the Ioun stone, Berg gets the hammer and whoever gets the elephant.
This encounter was only Hard for this group of PCs!
Definitely a possibility. They have the money to have her called back from the great cycle of being...