NATO’s sealing of the Nuke is the Lost Age event that converted nuclear destruction from an uncontrolled divine force into a politically exploitable weapon system. The seal did not eliminate the Nuke or erase its influence; it placed that influence behind an artifact whose owner might command sleeping nuclear weapons. In the Unmade World, the consequences of that decision remain active: the Cube of NATO is both a prison and a lever over the remnants of a civilization that nearly destroyed itself.

Lost Age Military Context

The sealing arose from the international militarization of the Lost Age. NATO was one of the greatest military alliances of that era, engaged in confrontation with other nations while governments prepared for a world war that everyone expected to come. Those powers sought to gather supernatural force before the conflict began by binding the demigods of ultraviolence to their service. The project therefore belonged to a military logic in which ordinary national arsenals were no longer sufficient; states attempted to turn beings such as the Gun and the Nuke into instruments of strategy.

The Gun was the impossible case. Yuan regarded the very idea of binding it as absurd, since no cultivator could control such a mindless force of slaughter and destruction. Mordiggian explained that the demigods were comparable to exceptionally powerful spirits or demons: contracts could theoretically be formed with them, and powerful entities could be trapped and sealed. Yet nobody succeeded with the Gun, which was too strong and savage to submit to such treatment. NATO’s achievement was consequently not the mastery of every demigod, but the discovery that the Nuke could be made into a more manageable target.

The Cube and Its Prisoner

NATO’s cultivators somehow trapped the Nuke inside the cube, although the exact method was no longer known to Mordiggian. The artifact was not described as a simple container or a deadening device. Mordiggian suspected that it was designed to partially bind the Nuke to a summoning contract, leaving the prisoner connected to the outside world while limiting the means by which that power could be called upon. The uncertainty surrounding its construction reinforces the distance between the surviving world and the civilization that created it.

The central distinction between the Gun and the Nuke is that physical presence was not required for a demigod to influence the weapons that sustained its violent existence. The Gun could empower others through bullets even when it had not personally fired the bullet that caused a death. NATO’s leaders reasoned that the Nuke might operate by an analogous principle: if the imprisoned demigod could influence nuclear weapons from within the cube, it might be able to rear or empower its own descendants. This reasoning produced the Children of the Nuke, weapons whose relationship to the sealed entity was spiritual as well as technological.

Strategic Consequences

The resulting nuclear arsenal was small compared with the world’s guns but vastly more destructive. A report once estimated that four hundred nuclear weapons would be enough to wipe out humanity, while more than twelve thousand existed before Lord Kou’s ascension. The book does not present the sealing as a completed victory over that danger. Many nuclear weapons survived rather than rusting away, and numerous devices were believed to lie dormant underground, waiting for a signal to awaken and begin the Nuclear Age.

Mordiggian’s theory gives the Cube of NATO a specific strategic function. Its seal may prevent dormant nuclear weapons from being triggered without the proper ritual, while an authorized controller could potentially force the Nuke to neutralize hostile nuclear weapons or sabotage an enemy’s arsenal. The same mechanism that restrains catastrophe therefore creates an instrument of unprecedented authority. The cube can preserve the world by denying access to the Children of the Nuke, or it can enable one claimant to direct them against every rival.

This dual function explains why the artifact matters after the Lost Age. The sealing was intended to help NATO win a war before it began, not to destroy the world deliberately. Yet an attempt to monopolize the means of annihilation left behind a system in which the person controlling the seal might determine which arsenals remained inert and which became active. The restraint and the threat are inseparable: the lock is also the key.

Struggle for Nuclear Authority

The Yinyang Khan’s interest in the Cube of NATO follows directly from this strategic possibility. If he could control the sleeping Children of the Nuke, he would become the most powerful warlord in the Unmade World. Nuclear weapons capable of wiping out cities in the blink of an eye would destroy his enemies and cow everyone else into obedience. His pursuit of the artifact is therefore not mere curiosity about a relic of the Lost Age; it is a bid to turn dormant global destruction into personal sovereignty.

The cube also stands behind the unresolved question of Manhattan’s motives. Yuan learns of the sealing while trying to understand the Nuclear Path and the forces aligned with it. Arc’s oath binds Yuan to oppose Manhattan and Nuclear Path cultivators, while Mordiggian’s account supplies the historical context that makes that opposition intelligible: the Nuclear Path is connected to weapons whose power survives the fall of the civilization that built them. The event thus expands a personal revenge into a conflict over whether the old military logic of weaponized demigods will be revived.

Ritual, Memory, and the Novel’s Larger Pattern

The sealing belongs to a world in which power is repeatedly made durable through ritual forms. The dead receive last rites sutras so they will not return as hungry ghosts; Orient teaches Yuan the mantras and mudras of Archer’s Glory; Arc’s vow on her bullet-core becomes an invisible chain fashioned by the Dao. Against that background, NATO’s cube is not merely technological hardware. It is a political ritual of confinement, contract, and controlled access, one that binds a cosmic force to an institution and then leaves the binding available to later claimants.

Its consequences also echo the novel’s recurring contrast between death and continuation. Yuan’s murdered body can be buried while his will survives; Revolver’s soul can create a violence-free saloon in which even the Gun is reduced to a human-sized avatar; the Nuke can be imprisoned without ceasing to shape the world through weapons that descend from it. In each case, destruction changes form rather than ending. NATO’s seal is therefore significant because it preserves the very danger it appears to master, making the possibility of renewed annihilation part of the world’s buried inheritance.