So is my fury jewelry useless?

I run fury weapons/2 rings/cuirass, then spriggans 4 body 1 necklace. 2 protective traits and also nord with blood spawn. Consistently hitting people for 10-15k take flights.

Ok great I know what to do with my stamdk going to put the build together and move on to another character later with other sets I have thanks

I don't play stamden. Stam DK and stamden are probably fairly close in terms of how they play best, e.g. as tanky brawler types. Your medium sets will lead you to a different playstyle, one that's more dodge roll and movement heavy. I associate Ravager with stamplars, the only class that procs that set well in the current patch, Briarheart and, to an extent, Hunding's with stamsorcs, as the crit helps with proccing Crit Surge.

If you want to use Ravager on a different class, it may proc reasonably well with 1H+S and you must have a good light attack -> ability -> bash rotation. All of that changes next patch. 1H+S's use for offense will be heavily nerfed and, I think, for PvP it will be the loss of Major Defile that will seal it's fate. It will be consigned to back bar use. On the other hand Ravager will proc differently. As the PTS stands right now, pairing it with Night Mother's Gaze may work well, next patch, but that would really only suit stamsorc. Some of my friends are thinking of pairing it with Caltrops, since Caltrops will gain Major Fracture. You'll want such an additional source of Major Fracture, in addition to Subterranean, to help with Ravager uptime.

Spriggan is always good. I would lean more towards that set than Hunding's or Briarheart for PvP in general. I believe Spriggan + Bone Pirate is the meta for medium stamblade PvP builds. As far as next patch, though, if the completely crazy 2H ult change goes through, you won't need Spriggan.