Still early. Just go ahead and gear them up, and if you are use shredder spec in arena then run with a sin with team sneak or a mili. You will kill a lot fast that way even if a healer is on the opponent team. If you want to know where you can get gear for your war then I can say to visit oac-head.com and also try to get max craft if you haven't yet because t4 trink helps a ton. Also work on gems. Lastly, an important thing is to practice on how to you warrior and develop combos for any given situation. Not the same combos will help in any situation and again any class