"Inflicting endless nightmares and hallucinations upon me, as part of a Ghost-type swarm that affected everyone who dared to sleep during a three-day period."

Normal Ghost-type mischief, in other words.

"Powerful trainers, such as Gym leaders and the Elite Four, have a degree of power and recognition. But they are no true rulers, as far as I can tell, unless they are content to leave their people to their own devices while battling promising challengers."