This is really quite something. I love stories about immortals & what it actually means from a psychological perspective to live for hundreds of years. And the ending of "I'm comfortable with being lonely" and then suddenly "I'm literally alone with my thoughts for millennia" is haunting and a fittingly terrifying conclusion to a vampire story.
I am curious - how do you determine how much time has passed? Is there a mechanic in the prompts for that or do you just estimate based on how far along in the prompt book you are?