How much Knight's gear could I get away with...
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TBH, building for your utilities is probably not a good idea for PvE, it will cost you alot of money and really, the heals arent worth it (its fine for sPvP since you can freely change your build up without consequence)
I build knights to almost all my builds anyways since power and toughness are both great stats for a warrior, precision if you like crit heavy builds, vitality if you want more sustain are the secondaries.
In WvW you will want way more mobility, I used the Hammer / Mace+Mace a bit and it was fun for a while, but the mobility is just killing it, sword / shield and sig of rage are great in WvW.
Zietlogik [Warrior] Chronologix [Ranger] Ziet The Dreaded [Necromancer] Zietlogic [Revenant]