 In the first book, she bites Steve causing Darren to go to Mr. Crepsley to ask for an antidote, but the condition is Darren must become a half-vampire in order to save him.Later in the series, Darren releases Madam Octa into the cave of spiders inside Vampire Mountain, where she mates and produces offspring, which are named after Darren; The Ba'Shan's spiders.Spiders that live within Vampire Mountain.