User blog comment:G0LD3NF1RE/Werewolves Appearing in Skyrim/@comment-143.238.48.76-20111108090604/@comment-4284961-20111108122001

Unkillable? I don't think so. Tougher than a human, sure, but I think engaging a giant or a few trolls might be quite a challenge. As for the stats, I don't think they increase when you come back to your normal state.