IMHO she is an excellent Mage/Cleric to have in the intial stages of the game, in the first 3 chapters, but towards the end her rather slow leveling-up will place her behind the more powerful NPCs like Imoen and Nalia (spell casting-wise). But you will need to keep her if you are pursuing a romance, if not then Nalia or Anomen are good alternatives (depending on what your party needs most, a mage or cleric).
Also you might need to keep that Rod of Ressurection handy cause you gonna have to use regularly with her since that sub 50-60 HP will not cut anymore.
Just my thougts on this....
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Tusitha R. Jayatunge
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