Hyoh, Bat and Rihaku bear witness to the final battle between Kenshiro and Kaioh. When Kenshiro deals the winning blow, Hyoh is given the opportunity to finish Kaioh off, but cannot bring himself to kill the man he once called brother.

The final battle between Kenshiro and Raoh reaches its conclusion, as the two brothers exchange their final blows.

Accompanied by Black Yaksha, Hyoh is forced to fight Kaioh's elite army when Bat and the Hokuto Army arrive to assist them. Kaioh learns that he is descended from a branch of the Hokuto Sōke bloodline.

With Southern Cross left in ruins following Barcom's revolt, Shin is left by himself in his own palace, protected by the few followers he still has left. Ken confronts Shin for the first time in a year and defeats him, only to learn that Yuria has already killed herself.

Rei and Mamiya arrive to help Ken, revealing that Ken's adversary is not the real Toki, but a former follower of his named Amiba, who had the real Toki imprisoned. Before dying, Amiba reveals that he is following orders from a man known as "Ken-oh".

Before accepting Kenshiro's challenge, Souther recites his tragic childhood and his motive for building the Holy Cross Mausoleum. Ken fights Souther again and struggles, until he finally fathoms the secret behind Souther's invulnerability.

With Ken aware of his weakness, Souther uses the ultimate technique of his Nanto Hō-ōken style as a last resort. The stage is set for the final round.

Kenshiro is taken by Kokuoh-Go to the North Star Mind and Body Training Ground for his final battle against Raoh, as Raoh reveals that he too has mastered the Unconscious Transmigration.

An innocent woman is mistaken for Lin and is sentenced for public execution by General Bask in an attempt to demoralize the North Star Army. The real Bat and Lin attempt to risk their lives until a familiar face arrives to intervene.

A mysterious drifter wanders into a town where the remnants of the Red Dragon Party, a resistance movement that once opposed the Celestial Emperor's army in the past.

Jako triggers bombs that collapse the ceiling of the cave in order to kill Lynn and Luise, but Ain shields with his body and protects the two sisters; weakened by the impact he still manages with his fists to open a gap and bring the prisoners to safety, but bleeding from the effort.

Jakoh has been defeated, but Kenshiro must continue his journey when Lin is kidnapped and taken to the Kingdom of Shura, a country populated by ruthless warriors said to be the birthplace of the Hokuto, Nanto, and Gento arts. In order to reach Shura, Ken must cross the Sea of Death, the last remaining ocean on Earth.

With rumors of Raoh's arrival to Shura spread as a result of Shachi's manipulation, Leia and her brother Tao goes to meet Jukei, the Hokuto Ryūken master who trained the three rulers and Shachi. Meanwhile, Han reveals to Kenshiro that the Kingdom of Shura is his birthplace.

Jukei and Hyoh do battle. Kenshiro battles a squad of Shura warriors on his way to Kaioh's castle, where Lin is being held captive.

Following his father's death, Shachi attempts to escape with an unconscious Kenshiro while Akashachi's surviving men create a diversion to distract Kaioh.

In the aftermath of Kenshiro and Hyoh's battle, Shachi heads to Taiseiden temple to unlock the secret that could allow Kenshiro to defeat Kaioh. Meanwhile, Kaioh heads out to the holy temple himself to kill Shachi in revenge for interfering with Kenshiro and Hyoh's mutual destructions.

Shu is defeated by Souther and is forced to carry the stone that will serve as the summit of Souther's pyramid. Sensing Shu's struggle, Ken awakens and quickly regains his full strength.

Lin enters the Imperial Capital along with Bat and Lin, sensing that the Celestial Emperor is calling out for her, while Kenshiro and Falco begins their battle.

Hyoh, the second ruler of Shura, decides to mobilize his force, vowing to avenge Han's death. Meanwhile Rock and his men decide to challenge Hyoh's army, having learned that Hyoh is Kenshiro's biological older brother.

Ken confronts his brother Jagi, who seeks vengeance against Ken, who was responsible for mutilating Jagi's head after failed attempt at killing Ken. During battle, Jagi reveals that he was the one responsible for convincing Shin to betray Ken

Ken finally finds Toki, who reveals that Ken-oh is none other than the eldest of the four Hokuto Brothers, Raoh.

Determined to fulfill the childhood promise he made to his brother, Toki fights Raoh to a death match.

Lin and her group manage to escape from Jakoh's underground dungeon, but at the expense of Ein's life. With the Celestial Empress Lui now free, Jakoh loses his hold on Falco and begins to flee for his life.

Kenshiro and Shachi go to meet up with Leia when they are confronted by a Gyoko, a morbidly obese Shura warrior who kills anyone who reminds him of his obesity. During this battle, Kenshiro declares war on Kaioh and all who side with him. At Sayaka's funereal pyre, Hyoh pledges eternal allegiance to Kaioh.

Ken is recruited to serve as guardian of a village threatened by the Fang clan and becomes acquainted with their female leader Mamiya, who is a deadringer for Yuria. Elsewhere, a man named Rei, master of the Nanto Suichōken style, is killing numerous bandits while seeking the Man with Seven Scars.