FUMESCANS - The Great Cataclysm serves as the central conflict in Fire Force, marking the most devastating turning point in Shinra Kusakabe’s journey as a hero.

What begins as a mysterious phenomenon linked to spontaneous human combustion evolves into a battle for the future of humanity, as the Evangelist seeks to merge the physical world with Adolla—a realm shaped by the collective human consciousness.

The White-Clad believe this destruction will bring salvation, but Shinra refuses to accept a future built upon despair.

As the eight Pillars gather and the Evangelist’s plan unfolds, Shinra faces adversaries whose power transcends conventional combat. The final battle tests his ideals, his bond with his younger brother, Shō, and his ability to remain a hero even when grief threatens to shatter him.

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The manga’s conclusion reveals that defeating the Evangelist requires more than just overwhelming force; Shinra must confront the very despair that enabled the Great Cataclysm to occur.

How the Great Cataclysm Began and How Shinra Defeated the Evangelist

The Great Cataclysm is the Evangelist’s attempt to merge Adolla with the human world and transform Earth into a second sun. This plan hinges on the eight Pillars, whose connection to Adolla manifests the collective despair of humanity.

As the Great Cataclysm unfolds, Haumea becomes the vessel for the Evangelist, revealing that the entity represents the accumulation of human despair and the desire to put an end to suffering.

Shinra and Shō enter Adolla to confront Haumea, but their opponent possesses immense, overwhelming power. The situation grows increasingly dire as Shinra witnesses the deaths of his loved ones, including Captain Ōbi.

His grief and rage threaten to destroy the hope he has held onto throughout the series, potentially allowing the Great Cataclysm to reach a catastrophic conclusion. Arthur’s intervention helps Shinra rediscover his purpose in life.

Rather than allowing despair to dictate his future, Shinra reunites with Shō and their mother, Mari Kusakabe—whose connection to the Evangelist proves to be a crucial turning point.

Together, the three combine their powers to manifest "Shinrabanshoman," a god-like form capable of challenging the Evangelist on an entirely different plane.

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The final battle is more than just a clash of raw power. Shinra must confront the belief that death and destruction are the only ways to end human suffering. By defeating the Evangelist, he breaks the cycle of despair that fueled the Great Cataclysm and uses his immense power to reshape reality.

This conclusion gives rise to a new world where death is a natural, tangible part of existence, rather than an overwhelming force of despair.

Shinra also eliminates the phenomenon of spontaneous human combustion from humanity’s future, allowing people to live free from the very catastrophe that defined their original world.

This final development links Fire Force to Atsushi Ohkubo’s Soul Eater, revealing a broader connection between the two series.