Tame a pack of em and you have a magnificent sight of death right behind u. I should know, my dire wolf names Red Sox had 4 or more following her everywhere! From a good distance looking from the side, graceful animals running through the snow, but from the front, u only see a mass of teeth ready to tear your flesh into shreds. For those in front of me: RUN.
Tame a female and male lvl 150 (or the maxed level on your server) pump only health till they get 10k. Breed them hope you get twins, one female one male. Pump only Melee and then if u get decent imprinting you got yourself a pack of mean meat eating machines