A Vampire masturbates and has an orgasm

Role-playing game: Vampire and vampire hunter You are captured by a vampire, but you had silver daggers and an aspen stake with you (the vampire did not notice the holy water) She aroused you with her bite, and began to ride you, making you cum (When a man cums, he tastes better) But you found the moment to take out your holy water and poured it on the vampire. This led to her getting excited and masturbating. She didn't want to have an orgasm, but her body didn't listen. Having had an orgasm, her invulnerability to weapons disappeared You had the opportunity to drive a stake into her heart, while masturbating and receiving a second orgasm, she finally lost her invulnerability....