"Dawn." That gives her some pause, and Faith takes a little while longer than might be comfortable to watch Dawn and assess what's happening.

Buffy had asked for her help with a Dawn, and she hadn't thought much of it. Too much had been piled on her plate at the time, too many secrets. She didn't have time to just drop everything and come running when Queen B requested. She'd justified it by the sheer number of slayers Buffy must have at her beck and call. Sure, a lot of them were pissed but Faith knew for a fact there were also factions that were loyal to her. You just had to dig around and find them.

"OK, well, Buffy doesn't have a sister. Is this some kinda New Council slang or something?"