Until the new Ravenloft game comes out next year, the close you'll get to a werebear is to play a longtooth shifter barbarian with the Bear Warrior paragon path (all PH2).Or lycanthropes in general I suppose, anyone know if rules have been published and if so, in which book? Or perhaps there is an online resource you could point me to?
Multiclass in Barbarian, and then swap out some Fighter powers for Barbarian powers.I have a player who's expressed interest in seeing his dwarf fighter become a werebear. I'm not sure how to tack that onto his character, suppose I'll have to homebrew something that fits, not sure where to start.
The monster manuals do certainly have werewolves, wererats ect for the party to encounter, what I am looking for is rules for turning a PC into a lycanthrope which isn't quite the same.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.