"I see you're nervous, pup," she said to Jacob, "And my name is Carla, leader of the Dark Clan." She lifted her lips, narrowing her eyes. She grinned. She leaned her head down so low that her shoulder blades stuck up as she walked forward. She snarled as the other wolves did the same, encircling the intruders.
EDIT: Jacob and rest aren't immortal, are they?))