I've been doing the wolf cave a lot, and noticed some very odd behavior. While fighting one, I may have 1-3 more add into a fight, which usually means i'm about to die. But at times, they simply run up, and don't engage. In an extreme case i killed two wolves while an Alpha and two others stared at me. I looted the bodies, drank a few potions, slowly regained my stats, then backed off a bit. They followed, one engaged. Killed him, looted. They killed the last and the alpha. This behavior has happened a couple of dozen times.

Bug? or Intentional?

Its happened both in the wolf cave, and on the beach area.