and his shadow fell over me (гет)

"Do you remember the lesson I gave on vampires, Potter? What is the one single impetus that drives them? The base upon which their entire beings revolve?"
She does remember. She swallows, adrenaline burning a searing line down her spine.
"Their predatory urges. Vampires are apex predators driven by the need to chase their prey."
"Correct. It seems I have finally managed to teach you something."
A curved scimitar of a smile slashes across his face. His lips peel back to reveal gleaming fangs. A dizzying rush of fear hits while something tightens between her legs.
Do not turn your back to him.
He leans toward her, looming, a shadow carved of rough-hewn darkness. His lips brush at her ear.
"Run."