Rendfang can actually move in a very wide area; I found him running just next to Quarrystone Base Camp, and an addon I have defaults the spawn location as /setwaypoint 5770 4500 in the north.
You'll probably have to set up a /targetexact Rendfang macro and run along the path on the map between that area and the lake below Quarrystone to cover the movement range.
Effets de texte
:P 
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