"Fully shifted," Derek said, patiently, because clearly the blond misunderstood. Clearly, he thought this was as far as werewolves could go. That was the only explanation for his awe. "We can fully shift into wolves. But this form is...." he shrugged. "In between. Not fully realized. I've been told most humans find it terrifying. Monstrous. When a werewolf loses control of themselves, it can manifest in this way."