Ok so i logged in after the festival.
Pve gear: 5.5 mil health
Stone bulwark shields for 907k initialnand 90k every 5 sec
16.5% in pve
Pvp gear in pvp combat- 7.96 mil health
Stone bulwark 1.3 mil health initial and 130k every 5 sec
18.3% in pvp
I’d trade it for Dark pact any time 
… hell, I’ll even throw in nature’s guardian plus this, to trade for Dark pact…
This just made me realize that pandaren can’t be warlocks …
Edit: nevermind!
Did you compare the versatility on the two sets? It probably scales with that.
Thats what im thinking. Full pvp my vers was much higher.
Good for you, this still has some potential no matter what you would trade it for. Gotta wait and see the number as things get tuned.