The place Kaioh chooses for a showdown is the Swamp of Demon, a place teeming with evil fighting spiritual energy, and the place where his evil began. Leia gives Kenshiro Shachi's protector as a memento, and Kenshiro sets foot into the swamp alone. There, the tragic past of Kaioh and Raoh's mother, and Kenshiro and Hyoh's mother, is revealed! Then, right before the battle, Kaioh hits a destructive point on Lin! What terrifying effect will it have...!?