If the enchanter is charming a pet then anything is viable I think (just make sure she stays runed to keep the edge off any healing on charm breaks).
Unrest/Befallen as listed
Upper Guk (crocodiles/heart spiders.... zone in, take a right at the first opportunity - you'll see crocs, and further on some spiders).
Erud's Crossing (kerrans)/Kerra Isle? Not sure about the ZEM
...will have a think, there must be some more
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Later on, into the low 20s...
Highkeep goblins, Mistmoore, Sol A.