Please correct me if I am wrong but on the new pvp server. I killed Wandering one twice in 5 min and picked up over 3 stacks of diamond. This is fishy seeing how the pvp server has been running for a very little time.
Might I add that it might be possible that he only had the 1 and a half stacks seeing as there's a bug that when you die you sometimes keep your items and it seemed to be the same inventory upon his death. still one stack for the server life seems very peculiar.