While the King is preoccupied with playing Gungi, Gon qand the other Hunters sneak closer to their target. They get a lucky break when an unforeseen accident results in the deactivation of Nerferpitou's En, making the defenses surrounding the castle temporarily vulnerable. The Extermination team redies fir their showdown, but with only a few days left before the "selestion," will they be in time to save the citizens from certain death?!