do you know if this two abilities and the meta stack?
you can have an effective stun reduction of 45% in pvp?
Hardiness - Orc Racial Duration of Stun effects reduced by an additional 15%.
Frost Presence - Death Knight
Strengthens you with the presence of Frost, increasing Runic Power generation by 20%, and reducing the duration of effects that remove control of your character by 20%.
Powerful Primal Diamond
+324 Stamina and Stun Duration Reduced by 10%
Assuming it stacks, which seems very possible, as it will otherwise ruin the benefit of said racial/pressence/meta gem which isnt the design intention, the math should go like this: