Talk:Skeleton Knight Tactics/@comment-24926718-20140517132939

I think location is wrong. It's not in post game but pre-dragon. You can find it in 3rd level underground. "There’s a chest in the square room with the pillar in the center that leads to the area behind a gate with an ogre."

Source: http://www.gamefaqs.com/boards/626515-dragons-dogma/67703218

It is confirmed as I looted it just now there.