I've lately started pvping with my blood dk and was looking for advise and tips if any available. I mostly started out to do it for achieves both personal and guild (wtb lvl 85 dwarf mages to kill) but have started to have a lot of fun with it. So far I've just been using my standard tank spec with crafted pvp gear and some honor bought items. Current spec is http://www.wowhead.com/talent#jcGrbsbrusdG0o