Board Thread:Online Discussion/@comment-50.181.192.24-20150818164258/@comment-26875133-20150819185848

AzuraKnight wrote: That can happen if you kill it too quickly, try striking the body a few times and see if it triggers the teleport. Otherwise reload if you can and kill him slower.

This is the forum section for Online so your thread will be moved to Skyrim soon. That helped me too. Thanks Azura!