These threads have some good information. Doesn't matter what time of day you kill it. Easiest thing to do is take some empty bags, load up an AE gather all the skeletons and AE them down every 7 minutes. Save the bone chips for faction quest in Qeynos (or Cabilis if so inclined) or sell to necros/sks.
http://www.project1999.org/forums/sh...hlight=grimrot
http://www.project1999.org/forums/sh...t=13749&page=2
The second has a picture showing which one is the PH.
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