There should be one in mariners Hold as well ...
Prantz is a pain because the guards get ticked off when you start casting magical buffs to craft. Come already prepared or forget about your buffs.
All the more reason to unseat Rael... oh wait... did I say that out loud? Yes... yes I did.
The Rofirein Temple in Vehl is more of a bulwark of light amidst a wretched hive of scum and villainy. So, while the Rofireins themselves may not be tolerant of dark elves, Vehl itself isn't intolerant.