Warriors use +defense to not get crit'd. Bears use an obscene amount
of AC to mitigate the damage.
The first thing your going to want to do is get 14-19k ac in bear
form. That is going to allow you to mitigate the physical damage
pretty well. Grab +defence where you can, but focus on the AC. Make
sure to pick up one of the druid staves with 500+ AC. There is a blue
world drop that I've picked up for 25g in the AH with 550ac. Or you
can go for faction CE faction to exhaulted and get the purple one. I
think there are two more ~500 ac staves, get whichever one suits you,
but get one.
The second thing your going to want is lots of attack power. Bears
still hold aggro fairly well after the nerf patch, but we don't have
moves like sunder and whatnot. Lacerate sucks, I use it because I
have to, but too much stuff ignores bleed effects which make it
useless. Our ability to hold aggro is still related to increasing our
attack power and using mangle/maul/swipe. You should be aiming at
1.5k attack power to start, but the sky is the limit. The more the
better.
The last thing your going to want is resist gear. When you run into a
boss they are rarely a tank and spank now days. Your going to want to
have a couple nice pieces of each resist that you can swap to for
various boss fights. My bear has half my bags filled with either
resist or healing gear.
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