It was a miracle that Dawn's jaw wasn't on the ground. The moves that Mel had just pulled were bona fide Slayer. Was she a Potential? But that was impossible - there was nobody to contact her and she hadn't even blinked an eye at the vampire's appearance. She carried a stake.
"Sorry to be blunt and all, but who the hell are you?" Dawn crossed her arms, staring at Mel with a half-quizzical, half-determined expression.