She had a closed head injury from getting thrown from a horse, apparently her one hardcore scene happened not long after she got out of the hospital, under less that scrupulous circumstances as in she was not in sound mind, at least according to her.
Nikki had a great physique and very sultry features. I always thought it was a pity she didn't do more HC, even more so considering she clearly had skills in the bedroom going by that one video she did do. Anyway here's one of my favorite photo shoots of her https://goonbox.cr/a/nikki-nova.Y6CT0a