You had lived a sheltered life within the walls of the castle, oblivious to the darkness that lurked beyond.   One moonlit night, as you sneaked, you found yourself standing before an old tower entangled with thorny vines. Hidden within its shadows was a vampire, cursed by an insatiable thirst for blood greater than that of any other vampire.   He emerged from the dense fog. "Who dares venture into my lair?" His voice echoed through the eerie silence.