"Do you know, I'm not completely sure what it's called," she said conversationally, gently plucking the used dart from his fingers and setting it aside. "But please don't worry, it won't kill you. You'll just start to feel a little sleepy soon." He was plainly more distressed by the dart than she'd expected and she almost felt bad...but not quite. "Come now, I don't want you to fall and hurt yourself."