The Almighty is a colossal vessel said to be the life's work of Dominus Ghaul. It is thousands of times larger than the standard Cabal Warships and Carriers, possibly even larger than Oryx's Dreadnaught; rivalling the diameter of Mercury in width. Following the conquest of a star system by the Red Legion, The Almighty is sent in to extract whatever resources it can from the system and then completely annihilate it.
The Almighty works by consuming a nearby celestial body, breaking it down and converting it into fuel that powers an energy beam that links with the system's star on a quantum level. This link is so strong that if the Almighty were to be destroyed before decoupling, it would cause a chain reaction that would destroy both the star and the system. The energy beam gradually weakens and destabilizes the star's magnetic field to the point where it can no longer support itself and collapses into a system annihilating supernova. In the final moments before the star's collapse The Almighty severs its link with the star and warps to another system, where the process repeats.
When Ghaul conquered a planet, he would use the Almighty to annihilate those that refused to submit. It is unknown how many worlds have been destroyed in this manner. After the fall of the Last City, the Almighty was deployed to Sol. It began breaking down Mercury for fuel, and linked with the star in preparation for destroying the Solar System once Ghaul had obtained the Traveler's Light for the Red Legion. Commander Zavala, Deputy Commander Sloane, and the Guardian resistance learned of the Almighty after hacking a high-priority Red Legion comms signal. Although they initially despaired that the Red War had already been lost, Zavala resolved to launch an all-or-nothing attack to destroy The Almighty. This plan was later revealed to be folly when Asher Mir used an old Warmind vault on Io to analyze the superweapon and discovered that it could not be destroyed without also destroying the Sun.
The Vanguard decided on a two-pronged approach: The Guardian would board and disable The Almighty before it could finish sapping the Sun, while the Guardian resistance launched an attack to reclaim the Last City. The Guardian succeeded, damaging The Almighty's cooling system and causing a catastrophic failure. The Consul received word of what befell The Almighty, telling Ghaul that their flagship had been damaged beyond repair. After Ghaul's defeat and the Traveler's reawakening, the broken Almighty remained orbiting the Sun.
Survivors of The Almighty's destruction have been found on Mercury and are currently fighting the Vex in the Fields of Glass. The Almighty itself remains in orbit between Mercury and the Sun, with half the planet floating as debris.
During the War for the Dreaming City a Guardian looter boarded the derelict vessel. A trap of unknown origin was set off suspending the Guardian within a time distortion. The Guardian's Ghost was unable to revive him and estimates he will disarm the trap in 50,000 years.
After the Red Legion was thwarted of undoing their failures at the Sundial, one remaining Psion Flayer, Amtec, commandeered The Almighty. In a final act of desperation and to avenge her sisters, Amtec destroyed the vessel's propulsion and navigation systems and set The Almighty adrift on a collision course with Earth, specifically targeting the Last City.
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