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Great Schism

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Concurrent
War
Great Schism
LocationMilky Way galaxy
Outcome
  • Eventual fragmentation of the Covenant
  • Peace between the Humans and Separatist Members Established
  • Formation of various Brute controlled Covenant Loyalist factions.
Belligerents
  • Covenant Separatists
  • UNSC
  • Commanders
  • Arbiter Thel 'Vadam
  • Shipmaster Rtas 'Vadum
  • Fleet Master Voro Nar 'Mantakree
  • Imperial Admiral Xytan 'Jar Wattinree
  • FADM Sir Terrence Hood
  • LCDR Miranda Keyes
  • MCPO John-117
  • Sergeant Major Avery Johnson
  • Strength
  • Sangheilian Armed Forces[1]
  • UNSC Defense Force
  • Casualties
  • Fleetmaster Voro Nar 'Mantakree
  • LCDR Miranda Keyes
  • SgtMaj Avery Johnson
  • Large numbers of Sangheili, Human, Unggoy and Mgalekgolo soldiers.
  • [Source]   [Talk]


    The Great Schism,[2] also known as the Covenant Civil War and the Great Betrayal, was a major conflict between the two factions, the Covenant Loyalists and the Separatists, which split apart between October 2552 and November 2552. During the Covenant Civil War, three major factions fought for victory: Humans and their Separatist allies, Covenant Loyalists, led by the San 'Shyuum and the Jiralhanae, and the Flood, which took over the Covenant of High Charity in an effort to assimilate and absorb the other warring factions.

    Seeds of conflictEdit

    Even long before the start of the Great Schism, the Prophet of Truth had plans to replace the Sangheili with the Jiralhanae, as he saw them as more willing and unquestioning pawns, whilst he doubted the Sangheili's reliability and loyalty. However, he kept these schemes strictly to himself, and waited until the time was right. After Truth learned the location of the Human homeworld, he secretly amassed a fleet of over five hundred warships, entirely commanded by the Jiralhanae, at the command-and-control station Unyielding Hierophant. However, this station and fleet was destroyed by a group of SPARTAN-IIs who learned of its purpose, putting a temporary halt to Truth's plan.[3]

    Soon after, the Prophet of Regret made a move Truth did not expect: having discovered a significant Forerunner artifact on Earth on his own, but unaware of the fact it was humanity's homeworld, he took a fleet of fifteen ships to Earth. Immediately after Truth learned of this, he sent the remnants of the fleet he had amassed to Earth, and gave his Jiralhanae troops orders to forcibly eliminate the Sangheili in command of the remaining forces on and above Earth. When Regret retreated from Earth, his Sangheili-led ships in orbit still continued to engage the UNSC, but now without a leader. Only moments later, the Jiralhanae forces within the fleet and on the ground killed any remaining Sangheili forces, as Truth had ordered. They continued to hold New Mombasa until the reinforcements sent by Truth arrived. As High Charity and the rest of the Covenant fleet were now on their way to the newly discovered Delta Halo, Truth's move remained a secret from the rest of the Covenant. Regret, who would arrive at Delta Halo some time before High Charity and the rest of the Covenant, would serve yet another purpose for Truth; the final stage in his plan.[3]

    Conflict eruptsEdit

    After the Prophet of Regret was killed by John-117, the two remaining Prophets, most notably the High Prophet of Truth, reorganized Covenant society. Saying that the Elites could no longer protect the Prophets due to Regret's assassination, they replaced the Elites with the Brutes as the Prophets' protectors. The Elites viewed this as a violation of the principles that the Covenant had been founded upon and threatened to resign from the High Council. They also argued that if Truth had not withdrawn the Phantoms that had been en route to Regret's location, the Prophet's death would have been prevented and the Demon would have been killed instead.

    However, Truth further demoted the Elites by giving command of their Covenant fleets to the Brutes. Once enough Brutes were in place, Truth instigated the war by secretly ordering the assassination of many ruling Elites. Truth also freed all of the Brute prisoners and pardoned them after release (Seen on the Halo Timeline Edict of the High Prophet of Truth). This was disguised as a Brute insurrection against the Covenant to the Elites, the Hunters, and most Grunts. Loyalist factions were led to believe it was an Elite revolt. After the killing of the Elite Council members, war broke out on High Charity, the two sides polarizing quickly. However, the true split occurred when the Elites learned the truth about the Halos and the Great Journey. Their disillusionment changed their goal from reforming the purity of the Covenant to actively fighting against it.

    The split was not cleanly divided either by race or faction. Loyalists followed the Prophets and included Brutes, Jackals, Drones, Grunts, and Hunters. The Separatists followed the leadership of Elite shipmasters, and their official Commander-in-chief was the Arbiter. Separatist forces included Elites, with large numbers of Hunters and Grunts. The Jackals, being a mercenary race, also supported the Separatists playing a more supportive role than direct role. Small Brute splinter factions also joined the Separatist army believing that they served better under the leadership of the Elites. The only Grunts who actually remained loyal to the Prophets were the most devout followers of the Covenant religion (e.g. Deacons). This might also suggest that the Grunts' "new found courage" in Halo 3 might have been the result of fanaticism rather than cowardice (as the Arbiter had suggested they followed the Brutes out of fear). There is some evidence to support this since there are a number of Grunts who commit acts that are anything but cowardly (e.g. Kamikaze Grunts).

    Sangheili-Human allianceEdit

    The shaky alliance between the Separatists and their former foes, the Humans, was forged entirely out of necessity. The UNSC forces were on the defensive, and they had two common enemies that wished for their extinction: the Covenant and the Flood. The Separatists, although moderately powerful, lost several important leaders including many Councilors. The Brutes also had many troops on Delta Halo and had control of all the nearby ships. The ships that were still in control of the Separatists were too busy engaging Brute ships at High Charity. The alliance of circumstance was forged in the control room of Delta Halo, when Johnson and the Arbiter were coerced to unite in order to prevent Tartarus activating Delta Halo and firing the Halo Array, which would have killed every sentient being in the galaxy, including himself and the rest of his race; Tartarus, and the rest of the Covenant Loyalists, still believed the array would only start the Great Journey. Together the Arbiter, Johnson and Commander Miranda Keyes defeated Tartarus, killing him and deactivating the Installation, but not totally ending the threat the faction faced.[4] However, the Arbiter persuaded the rest of the Sangheili to join the humans. While the two factions experienced some friction, due their alliance being based on the the enemies of my enemies are my friends principle instead of good political relationships, they learned to work with one another for their mutual survival. During the events of Halo 3, the Elites fought alongside humans in battle.

    The devastated UNSC Fleet in Earth's space were glad to accept the help of the superior Separatist Warships. The Elites' understanding of enemy equipment and Covenant's combat tactics proved invaluable in the Battle of Installation 00, where a fleet three times larger than that sent by the Elite's was completely destroyed by the smaller force. Recurrently the heroes of battle, the Arbiter and John-117 fought alongside one another many times in the desperate and long conflict. Together the two made an incredible team and the Prophet of Truth was finally killed by the Arbiter with John-117 deactivating the Halo Array, marking a some-what end to the Great Schism. Later, John destroyed the Flood-controlled High Charity and the Ark was severely damaged when he fired the new Halo ring created above the Ark which also destroyed the Flood. Unfortunately, John-117 and accompanying AI Cortana ended up drifting in space following the end of Halo 3. The Arbiter's presence at memorial services for John-117 indicated that in the wake of victory, Separatists and humans remained friendly to one another as they both had made tremendous sacrifices in order to stop Truth and the Loyalist forces, as well as the Gravemind and the Flood. Also, the Arbiter and Admiral Sir Terrence Hood parted amicably, even shaking hands signaling further peace. While Hood was unable to forgive the Arbiter and the other Separatists for what they had done, they had his thanks for standing by humanity and in particular John-117 until the end of the fight.

    With Truth dead, High Charity destroyed, and the Ark essentially lost after Installation 04B's firing, the remaining Loyalist forces remained active in at least some form, rebuilding their tattered strength to continue their war of conquest.[5] Even though the Brutes eventually collapsed into various civil wars, they still posed enough of a threat that Elite commanders kept up the offensive against them for at least another six years, even as they continued to lose irreplaceable warships and the war continued with no end in sight.[6]

    According to the Bestiarum in Halo 3's Limited Edition, the Grunts were too indecisive to continue the rebellion and the true political motivation of the Hunters, if any, remained a mystery. Shipmaster Rtas 'Vadum stated that Truth's Fleet was destroyed. Had any of the Covenant Loyalists survived on the Ark or in the ruins of their Fleet, they were either taken by the Flood or killed when the unfinished Installation 04B fired and destroyed itself and heavily damaged the Ark.

    TimelineEdit

    2552Edit

    September 22:

    October 20:

    • Thel 'Vadamee, the Supreme Commander of the Fleet of Particular Justice, is tried before the High Council and sentenced to death. The High Prophet of Truth overrides the council and makes the Supreme Commander an Arbiter of the Covenant. Truth then sends him to kill Sesa 'Refumee and destroy his rebellion, which they have coined "Heresy".
    • Start of the Battle of Earth. The defeated High Prophet of Regret is forced to retreat to Installation 05, pursued by the UNSC In Amber Clad.
    • Moments after Regret's withdrawal, Jiralhanae within the Covenant forces quickly kill all Sangheili and seize control of the Covenant forces on Earth.[3]
    • The Arbiter and a Spec Ops Commander, Rtas 'Vadumee lead a team of Spec Ops forces to Threshold, where they kill Sesa 'Refumee and successfully crush his rebellion.

    October 21:

    • Jiralhanae-led reinforcement fleet arrives to Earth and starts the excavation of the Portal.[8]

    November 2:

    November 2–3:

    • The Arbiter and Tartarus are sent to retrieve The Index. The Arbiter successfully takes the Index, but Tartarus tries to kill him and takes the Index from him, as he was secretly ordered to do so by the Prophet of Truth.
    • Most of the Elite Councilors are taken to the surface of Installation 05 where they are murdered by the Brutes.
    • The Prophet of Truth transfers command of the Covenant Navy to the Brutes, while Tartarus declares war on the Elites, and the Battle of High Charity begins. Fighting between Elite and Brute forces breaks out all over High Charity. As word spreads, fighting takes place throughout the Fleet, as Elite and Brute controlled ships attack one another.
    • The Flood invade High Charity in the middle of the battle by jumping through Slipspace in the UNSC In Amber Clad into High Charity and then afterward through the use of Pelicans to invade the rest of the city. The High Prophet of Mercy is attacked by an Infection Form and abandoned by the Prophet of Truth
    • Tartarus attempts to activate Halo.
    • Thel 'Vadamee, with the help of Sergeant Johnson and Rtas 'Vadumee, kills Tartarus.
    • Miranda Keyes aborts the activation of Halo, placing the entire Halo Array on standby status. 343 Guilty Spark reveals the existence of the Ark.
    • The battle in and around High Charity ends with the Flood in control of the city. The Brute and Elite Fleets remaining around the city-station continue to destroy each other.

    November 3:

    November 8, 2552:

    • The Forerunner Dreadnought arrives in the Sol System, and proceeds on course towards Earth at near-relativistic speeds.[10]

    November 17, 2552:

    • The Forerunner Dreadnought enters Earth's atmosphere, and John-117 bails out, landing in the jungles near Mount Kilimanjaro.[10]
    • Battle of Voi. The Prophet of Truth uses the Forerunner Dreadnought to activate the Artifact, and the Loyalist fleet follows it through the portal, marking the end of the Battle of Earth. The Flood infest Voi, only to be contained by the Sangheili fleet.

    Late November through December, 2552

    • Battle of Installation 00.
    • All Loyalist vessels destroyed over the Ark by the Separatist Fleet.
    • The Prophet of Truth, the last Hierarch of the Covenant, is executed by Thel 'Vadam with help from the Flood. John-117 stops the Ark from firing the Halo Rings.
    • High Charity is destroyed by John-117 after he overloads the city's main reactors causing them to detonate.
    • Rtas 'Vadum evacuates all humans and Sangheili via the Shadow of Intent, back to Earth.
    • The Battle of Installation 04B. Thel 'Vadam, John-117 and Johnson battle to the control room of Installation 04B. Guilty Spark turns rampant, killing Johnson before subsequently being destroyed by John-117. Installation 04(II)'s Sentinels turn on John-117, Thel 'Vadam, and the Elites. The unfinished Installation 04 is activated, damaging the Ark and destroying the entire local Flood infestation including the Gravemind. These final events ended The Human-Covenant War.
    • John-117, Cortana, and Thel 'Vadam escape but only Thel 'Vadam gets back to Earth. John-117 and Cortana are drifting in space due to the portal closing. They are inside the back half of Forward Unto Dawn, and presumed KIA by the UNSC.[11]

    2553Edit

    March 3:

    • The Humans and the Elites make a memorial near Mt. Kilimanjaro on planet Earth to commemorate those who were lost in the Battle of the Ark, while also serving as a small memorial for those lost in the Human-Covenant war. The memorial has the number 117 engraved on it in the corner.

    After the Great SchismEdit

    Main article: Sangheili-Jiralhanae war

    2557Edit

    • The events of Halo 4 take place. A splinter faction of the Sangheili known as The Storm follow Jul'Mdama's guidance to liberate what the Forerunners were hiding (The Ur-Didact), engaging the UNSC on the Forerunner shield world Requiem

    2559Edit

    • The Great Schism rages on. While the Jiralhanae wage their own internecine wars, the Sangheili themselves are gradually losing their fleets in a war of attrition, having lost the technical expertise kept exclusively by the Prophets. However, in The Return, the Shipmaster mentions how the Prophets went into hiding at some stage, giving the Elites the upperhand due to the Brute's poor leadership.[6]
    • A Sangheili Shipmaster returns to the partially-glassed human colony of Kholo.[6]

    TriviaEdit

    AppearancesEdit

    SourcesEdit



    Wars In Covenant History

    San 'Shyuum Civil War (Age of Conflict) | Sangheili-San 'Shyuum War (Age of Conflict) | Struggle for Ideological Purity | Second Illumination | Taming of the Lekgolo (Age of Doubt) | Unggoy Rebellion (Age of Conflict) | Sixteenth Unggoy Disobedience | Human-Covenant war (Age of Doubt to Age of Reclamation) | Great Schism (Age of Reclamation) | Sangheili-Jiralhanae war

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