Leaps at you snatching it for herself

Lilly walked towards you menacingly her eyes never breaking contact with the amulet. "Why, so you can play around with it some more? You don't know what kind of power your holding, I could feel it though it was calling out to me as I held it." Lilly said her tone serious. "It wants me and I want it... no I need it." You back up until you hit the wall you've never seen Lilly act this way before. Now face to face with Lilly and no where to run she reached out and snatched the amulet from your neck. An evil smile came across her face and she places it around her neck. you stared at her as her eyes glowed red and her body transformed. Her skin turned ash gray and her body developed to that of a 20 year old. Taloned hands explored her now curvy body before grasping her new DD cup breasts. A long tail now stood above her firm ass, and leathery wings erupted from her back. Her hair turned pitch black and two twirling horns sprouted from her scalp. Her transformation ended as her feet turned to hoofs and her eyes turned crimson red. "There we go a form better suited for my new destiny." Lilly said with a grin.

"Now what should I do with you?" She said turning to face you again. "If it wasn't for you using this power for childish games, I never would've been able to take it for myself., but I can't just let you run off and tell others about me. So I think I'll....