"Where the Hell did you come from James?" Jess said irritated with him. "You scared the piss outta me." 
Her voice softened as she tapped Luna's door again. "Sweetheart I know you're lying. Come on I'll show ya a magic trick if ya let me in." 
Her 'Magic Tricks' were usually her doing some sort of trick with fire, often juggling it, setting herself ablaze, etc.