"A lightning spell in a wand—or maybe a machine that makes lightning," Lyra mumbled. "Clever." She looked down at her side, at a small patch of missing hair. "And that must be where it struck. Overly potent, but weapons often are—no point in making a wand that doesn't always work." She turned to Fancy Pants. "The mare—Ka-th-rin—has a weapon which shoots invisible lightning bolts to disrupt spells. Dale tried to stop her."