Leveled my main as a BM from 10-70 and stuck with it till lately..
Locks usually killed me, but they died first. Focus on the hunter but throw CoW on the pet if you have time. If the hunter and pet turn red, just dps and use your hs. sacing your vw is nice to do during this time. Make sure you fear the hunter as soon as he turns pale again. if you think you are going to die, dot him up again and pray you have a ss... then you get to stand over his body and wait for him to pop up again. Also, if you see him fall to the floor while his pet is still eating you, make sure you throw in a SB or Immo cus he isn't dead.
pretty much, Ovelia got it right, though Drain Life will get interrupted so that you get 1-2 ticks each cast (even with imp drains), but that's better than nothing.
Oh, and to stress it again, CoW pet, then ignore him.
(btw, dead zone is completely gone)