Bigby is not getting a scent. These are not the real Angel or Buffy. They are shadows, trying to get closer to April. To help her.

"Sure. Where do you need us?" The Buffy shadow is too eager to help Ed.

Lachesis screams again, rushing at Harry to try to knock the staff out of his hands. "Stop it! Stop it!"

((sigh. name mistake above. thks for clarifying))