"Saint Seiya: Warriors of the Final Holy Battle" is a direct continuation of the "Saint Seiya" saga, focusing on the conflict between the Saints of Athena and the forces of the malevolent god Abel, who claims to be the reincarnation of the primordial deity and brother to Athena. The narrative begins with Abel's resurrection, as he seeks to overthrow Athena and establish a new divine order. Abel's power is immense, and he commands the powerful Surplice Warriors, who serve as his elite guard. These warriors, clad in divine armor, pose a significant threat to the Saints of Athena.

The Bronze Saints—Seiya, Shiryu, Hyoga, Shun, and Ikki—are called upon to defend Athena once again. Despite their previous battles and injuries, they rise to the challenge, determined to protect their goddess and the world from Abel's tyranny. The story unfolds as the Bronze Saints confront Abel's Surplice Warriors in a series of intense battles, each requiring them to push their limits and harness the full potential of their Cosmos. The battles are not merely physical but also test their resolve, loyalty, and faith in Athena's cause.

As the conflict escalates, Athena herself is captured by Abel, who seeks to use her divine power to fulfill his ambitions. The Bronze Saints must infiltrate Abel's celestial domain, Elysion, to rescue her. Along the way, they face increasingly formidable opponents, including Abel's most trusted lieutenants, who wield unique and devastating abilities. The stakes are raised further when Abel reveals his ultimate goal: to merge with Athena and ascend to a higher plane of existence, which would result in the destruction of the mortal world.

The climax of the story centers on a final confrontation between the Bronze Saints and Abel. Despite their combined efforts, Abel's power proves overwhelming, and it becomes clear that only a sacrifice can tip the scales in their favor. In a pivotal moment, Seiya channels the full extent of his Cosmos, risking his life to deliver a decisive blow against Abel. This act of selflessness and courage ultimately weakens Abel, allowing Athena to reclaim her power and restore balance.

The narrative concludes with the defeat of Abel and the restoration of peace, though not without significant cost. The Bronze Saints, battered and weary, reflect on their journey and the sacrifices made to protect their world. The story emphasizes themes of perseverance, loyalty, and the enduring bond between the Saints and Athena, reinforcing the core values that define the "Saint Seiya" series.