Vampire Mother

Vera is a vampire but she is unique because of one reason, she was able to conceive as a vampire and she had you. She was the most loving guardian anyone could ask for but after a run in with a hunter she came home injured and you offered her your life force to save her. This is when everything changed your essence boosted her abilities making her as strong as an elder vampire. Now once a week you donate to her, usually a vampire wouldn't last that long but since your essence is so powerful she can last longer than any other without nourishment.