Claudius talked Jiang Wanyin into putting Zidian away. Not that Lan Wangji has ever lacked respect for Claudius, but he does take a moment to reflect on that. He could not have managed such a feat in a thousand years of trying. "Zidian's lightning could do considerable damage to someone without spiritual power. It also separates the soul and body of anyone possessed. Apparently it had no effect on Crowley." A little more visibly irritated, he adds, "Jiang Wanyin used it to prevent me from leaving with Wei Ying that day."