Need input on roaming build
Glass medi guard is definitely possible in WvW. You might not wanna go full zerker, but I roam on my medi guard all the time and I only use valk armor.
As for the build, it looks pretty solid but you’re gonna have a difficult time keeping up with mobile enemies. I’d definitely recommend JI over MI for that reason; the heal from MI isn’t really going to mean much if you can’t stick to the opponent.
Promptly learnt that Guardian is the most useless roaming class.