Guild Wars 2

So, I’m just getting back into things here in guild wars. And I’ve decided to use full berserker’s gear in pvp, and I was going to go with the karma gear for pve, like the heaving whispering and what not, the only problem is the gear’s stats are all weird. I got the legs, they have power, toughness, and vitality which is exactly what I’m looking for for my pve set. But then I look around and I see the helmet has healing on it? Right here is where I got confused, is there a reason I need healing on this? I look around and realize there are other karma vendors that I can buy different pieces of the armor that looks like that armagedon, archon etc. But still cant find a helmet without the bonus healing. I’m already confused as it is. Someone explain to me what I’m supposed to be wearing, I wanted that whole set, but I’m not supposed to have healing on my gear.

Berserker in PvP is not a great idea, especially for someone getting back into guild wars 2..
I use Full Knight w/ ruby and Cavalier accessories w/ ruby, and I’m kind of at a toughness/defense threshold for PvP / WvWvW lol

Also, not sure about the Karma 0_0… I haven’t used a single drop of karma… my warriors have 600k and 252k respectively lol.. still trying to find a way to get maximum profit per karma haha