Life eternal

The girl's eyes shimmer in the star and moonlight. "I...I can be with you forever?" Her eyes still hold fear, but also some desire to be with you and your ladies.
"Forever my dear, think about it, the strength, the power, never having to worry about growing old and frail. All you need to do is give yourself to me." You make your voice very soothing as if it is the greatest gift she could ever have.
"I...I give myself to you...my Lord." The girl stammers as you smile and penetrate her again and your thralls move in remembering the fun they each had when you drew them into your fold. The blonde and brunette both take a breast to suckle as the redhead lowers herself and starts to lap at the girl's swollen clit and your swollen cock at the same time. You smile as you can smell both the arousal and the racing blood of the girl. She hurls her back in a primal scream and you plunge your fangs into her bared throat. In the same moment you slash your own wrist open and press it to her mouth. She grabs the offering and starts suckling her new elixer of life, binding herself to you, mind, body, and soul. Soon her heart slows to one, two more beats and her heart stops ending her life as a mortal. You draw away licking your lips and at her throat sealing the wound and give your wrist to your brunette to seal herself. You gather your new pet in your arms and cradle her as you start back to the castle.
"Yes," you croon to her, "rest for now my new little pet, you've had a hard night and it will be some time before you can hunt with us. But we have plenty to drink at your new home."