"For a time, the humans of Sera knew the illusion of peace... until Emergence Day. At that moment, our people broke free from our subterranean, erupting into the domain of these ground walkers, and wiping out whole cities. We fought and killed the humans on their fine boulevards, in their homes, on their battlefields. And they fought back. In time, their valiant defense was crushed. With billions dead, humans denied their enemy control by destroying their own civilization. They launched devastating attacks on their own territory —sacrificing their own citizens— so that we could not possess it. Such was their loathing and fear of us. Understand what a world must do to survive —what humans must do, and what we must do. But survive we must. Now the humans' long struggle against overwhelming odds approaches the final, desperate stand."
Queen Myrrah explaining Emergence Day[7]

Emergence Day, otherwise known as E-Day, was a swift, full-scale, coordinated and unprecedented, planet-wide assault on the surface of Sera initiated by the Locust Horde. Nearly every single major human city on the surface of Sera was attacked from the subterranean, using both bio-engineered weapons and stolen human technology. All breaches were along the ground line, in what was a campaign of rapid dominance. It was a textbook military invasion. There were massive casualties everywhere the Locust arrived; over a quarter of the total human population died on that very first day. The Locust Horde was able to deploy huge numbers of their forces into all major cities on the surface at once. The Locust rapidly dominated the humans in their massive assault and were able to defeat all organized human resistance for over a year.[5] They had used the spoils of war and victory to gather all available military and civilian technological equipment and resources to use against the COG and the few UIR nations that still existed after the Pendulum Wars.[8][9] The Locust Horde's onslaught and assault continued for a year until the Hammer of Dawn strikes, in which the Hammer of Dawn technology was deployed under the newly elected Chairman Richard Prescott.[10]

Order of EventsEdit


"The Humans of Sera built a glorious civilization, but Humans are not destined to create. They ultimately did what they do best. Destroy. But this was nothing, compared to a new threat, from below. An enemy that will force Humanity to take their last, inevitable steps, toward extinction."
— Queen Myrrah stating what is to happen to the Humans when the Locust attack.

Unknown to the Seran population, except for Professor Adam Fenix and Doctor Elain Fenix, a subterranean race of creatures known as the Locust Horde had been inhabiting the tunnels underneath Sera, known as the Hollow, for over a century. In 9 B.E., Doctor Elain Fenix made the first discovery of the Locust but was executed by them out of fear of exposure. Professor Adam Fenix then followed her notes into the Hollow where he met their leader, Queen Myrrah. She revealed to him that her people had been fighting a war against the Lambent, a mutated race of the Locust who had been infected by Imulsion. Due to the Locust losing the war, Myrrah expressed her plans to invade the surface, eradicate all human life, and colonize the surface in order to evade the Lambent. Professor Fenix, fearing this violent outcome, promised to help aid in her research to cure Lambency to keep the Locust underground and from committing genocide.

As time went on, however, Professor Fenix was called on by the Coalition of Ordered Governments to prepare the Hammer of Dawn, an orbital laser beam weapon, in order to win the Pendulum Wars against the Union of Independent Republics. When Professor Fenix wasn't spending the majority of his time preparing the Hammer of Dawn, he attempted to research Lambency for a cure. However, Professor Fenix discovered that nearly all biological cures would fail against the Lambent mutagen, and other physical measures that would kill the Lambent would also kill the Locust Horde. Professor Fenix then focused his time on ending the Pendulum Wars in order to focus on keeping the Locust from emerging. Professor Fenix was successful in completing the Hammer of Dawn and was used to end the war against the UIR. A few UIR holdouts were still continuing the fight, but most of Sera was celebrating the end of the war.[11] The Seran population was at rest, where several thousand Gears were given leave and the civilian population celebrated the end of the Pendulum Wars.[12] Professor Fenix contemplated telling the Coalition about the possible attack by the Locust, but he believed he would be able to find a cure still and keep the Locust underground.

During this time, Queen Myrrah lost faith in Professor Fenix and revisited her plans to launch her army onto the surface. High General of the Locust Horde, Uzil Sraak, continued to lead Locust forces against the Lambent, by Vold RAAM had the same desires as Queen Myrrah to instead focus on abandoning the Hollow to Lambent and colonizing the surface, killing all of humanity to do so. Uzil RAAM led a coup against Uzil Sraak, with the assistance of the Locust Council: High Priest Keter Vrol, Scientist Ukkon, as well as Kantus Priest Skorge, and Vold Karn. Queen Myrrah then demoted Uzil Sraak to Vold, and promoted RAAM to the High General of the Locust Army, sharing with him her same desires to invade the surface. Queen Myrrah then planned with Uzil RAAM the strategy of their emergence. In the days before the Locust emergence, an epidemic of earthquakes and tremors were reported across Sera, puzzling scientists and journalists.


"Mayday! Mayday! Something just came out of the ground! Repeat, they just came out of the ground!"
—A soldier during the Emergence Day attacks.[13]

The Locust Horde emerged in several cities.

Six weeks after the signing of the peace treaty between the COG and the UIR, the Locust Horde emerged and launched an attack on all major cities on the surface in a surprise, coordinated, full-scale, all-out assault upon the human race. One of the first cities to be attacked was Jannermont, which held a large COG army base within the city. The battle was personally led by Uzil RAAM and Ketor Skorge. Among other cities attacked were Ephyra, Ilima, Porta Ogari, and Mattino Junction. The Republic of Gorasnaya, the only UIR country to not surrender, fell on Emergence Day to Zamil Karn with the aid of the Shibboleth.

However, a natural bedrock of granite known as the Jacinto Plateau spared many cities from the scourge of the Locust Horde. Jacinto City went untouched, and while the COG managed to secure Ephyra, the capitol city was still attacked by the Locust due to natural fissures in the bedrock as well as subway and sewage tunnels offering access to the city. The COG then managed to fill these access points with gas and cement and were successful in blocking them out of Ephyra and other cities on the plateau. Other locations on Sera were also spared due to natural defenses as well. Islands such as the minor South Islands, the Lesser Islands chain including Vectes, and the Island of Azura were spared due to abyssal trenches and difficulty digging under the oceans. As for the mainland, all major cities outside of the Jacinto Plateau were attacked and destroyed by the Locust Horde.

Media and Public ReactionEdit

"It seems that our city has just experienced an earthquake."
—Unknown female reporter on the epidemic of earthquakes.
"These images are from our affiliate in Ephrya, just a few minutes ago... Similar attacks are reported all across the world... Eye witnesses attest these monsters strike from underground, without any warning... COG forces are waging a valiant defense, however... Emergency response services are completely overwhelmed... Some may ask, could this be the end of the world?"
—Initial news reports during Emergence Day.
"Please stay calm and stay in your homes... the military has things under control."
—Unknown female news reporter[13]

The CNS and SNC first report on Emergence Day.

Initial reports by the press and news media attested that grey monsters were emerging from the underground and slaughtering civilians, as told by surviving witnesses. In the early hours of Emergence Day, many believed that this was an elaborate hoax or promotion for a new science-fiction film. Others, who took the threat seriously, initially believed that the Pendulum Wars had started again, or that the Gorasni was attacking,[14] until Chairman Tomas Dalyell made an announcement that a new and foreign enemy was attacking the surface from the Hollow.[15]

One of the first cities to have reports of an unknown enemy attacking was Jannermont, where the death toll would reach over 100,000. Images of the massacred on the Jannermont highway were shown on news networks across Sera.[16] More reports revealed that Porta Ogari was attacked along with cities in Pelles, Vasgar, Gorasnaya, and Ostri.[17] The Global Communications Network crashed,[18]as well as the COG Civil Protection Service. With such high percentages of casualties, hospitals were quickly overwhelmed and forced to turn away more incoming wounded.[19] Official politicians and reporters told the public to remain indoors and remain calm, believing that the authorities and the military had the situation under control.

COG MobilizationEdit

"Citizens, we don’t know what these creatures are, other than the fact that they’re not human. We don’t know where they come from. We don’t know what they want. But they’re tunneling under our cities and emerging to slaughter our people. Our combined forces throughout Sera have been mobilized to with them. I ask you all to remain calm, as you have done through so many years of war. Stay in your homes unless ordered to evacuate, and listen for emergency information on all broadcast stations. That, my fellow citizens, is all I can tell you until the situation becomes clearer."
—Chairman Tomas Dalyell's speech to the people of Sera.[15]

After Chairman Tomas Dalyell's speech, the entire COG military mobilized all of their forces, resources and other assets and sent them to the cities to battle the Locust. The 25th Sherrith Cavalry was called back from leave along with many other units. The COG was then able to secure most of Tyrus. However, no other military force across Sera had any situation under control; the Locust dominated the human forces and annihilated everything in their path. As Emergence Day continued to unfold, the Locust began to mercilessly hunt down and butcher civilians in their homes, businesses, and on the streets. The Locust refused to distinguish between men, women and children, and relentlessly pursued everyone they found with an unquenchable blood thirst.[13][5] With the general public being unarmed and with most of the COG armed forces on leave after the Pendulum Wars, the civilians of Sera were almost helpless to defend themselves. In just twenty-six hours, a quarter of the human population was killed, with many cities and towns completely annihilated.[5]


"I'm still trying to confirm... It seems like reports saying that untold masses of men, women, and children have been butchered since last night's emergence... are true..."
—A female news anchor revealing the death toll of Emergence Day.
"The lucky ones died on E-Day."
—The saying of a post E-Day Sera.

The COG Army began sending troops into Mattino Junction and other cities while Nordesca was also attacked three days after E-Day.[17] While on the home front, the Chairman ordered the Cougars in Hanover city to continue with the scheduled Thrashball game for a morale boost since Hanover was not attacked.[20] E-Day would eventually end and the Locust Horde would continue advancing across Sera, destroying everything and killing everyone in their path.

Shortly after Emergence Day, census across Sera revealed that billions, specifically 25% of the entire human race, was killed in the initial onslaught of the Locust Horde. And millions more were declared missing; with people either lost in the chaos, their corpses not found, or many being captured by the Locust Horde. The Locust scientist, Ukkon, demanded a quota of captured humans to perform experiments on. The rumors of the missing since E-Day were ranged from the Locust eating humans to the Locust taking prisoners. Because of the horrors experienced in the aftermath of Emergence Day, the survivors believed those who were killed on E-Day were fortunate enough to not witness what Sera has become, and so the saying among the survivors on Sera was created: "The lucky ones died on E-Day."

Less than a month after E-Day, the Minister for Social Welfare, Natalya Vreland, began to question how the COG was going to be able to deal with the refugees from destroyed cities, who were already putting a strain on resources.[21] A year after E-Day, Chairman Dalyell passed away from a heart attack and Richard Prescott was elected into office. He attempted to unite humanity for a counter-strike against the Locust Horde, but was unable to gain support from the COG member states,[22] forcing him to undertake the single greatest imminent loss of life during the war.

Prescott instated the Fortification Act, and gave Serans three days to retreat to Ephyra before he fired the Hammer of Dawn. At great cost to human life and infrastructure, the Locust were driven back by orbital weaponry and chemical warfare, effectively denying assets to the Locust Horde. However, they were not defeated. Over the next decade, the Locust would continue their persistent onslaught against humanity - finally breaching Jacinto Plateau at the East Barricade Academy ten years after Emergence Day, and putting Jacinto under siege five years after that. E-Day was such a significant event in the history of mankind that the age old calendar system was abolished in favor of a year marking system that involved counting the years before and after E-Day to mark an event, i.e. B.E. = Before Emergence / A.E. = After Emergence.

Known BattlesEdit

Behind the ScenesEdit



  1. Gears of War: Jacinto's Remnant - Locust were able to strip all military and technological resources from the COG until one year and one month after E-Day when the Hammer of Dawn counterstrike denied the Locust of all spoils of war
  2. General RAAM (Action Figure) Toys R Us Exclusive figure packaging
  5. 5.0 5.1 5.2 5.3 Gears of War: Destroyed Beauty
  6. Gears of War: Coalition's End chapter 5
  7. Gears of War second cutscene
  8. Gears of War: PC - The Timgad power station was being used by the Locust and had the power sent into the Hollows
  9. Gears of War: Jacinto's Remnant - The Republic of Gorasnaya never surrendered, but was eventually completely overrun by the Locust Horde
  10. Gears of War: Jacinto's Remnant
  11. Gears of War: Coalition's End pg 48
  12. Gears of War: Coalition's End pg 48-49
  13. 13.0 13.1 13.2 Inside the Mind of Marcus Fenix: Sera
  14. Gears of War: Coalition’s End pg 52-65
  15. 15.0 15.1 Gears of War: Coalition's End pg 65
  16. Gears of War: Coalition’s End pg 52
  17. 17.0 17.1 Gears of War: Coalition’s End pg 105
  18. Gears of War: Aspho Fields pg 40
  19. Last Day
  20. Gears of War: Coalition’s End pg 101
  21. Gears of War: Coalition's End pg 174
  22. Gears of War: Jacinto's Remnant pg 53-55
  23. Gears of War: The Slab pg 29
Locust War
0 A.E. Emergence Day (First Battle of Jannermont · Battle of Mattino Junction · Battle of Porta Ogari · First Battle of Ephyra · Fall of Gorasnaya · Evacuation of Mercy) · Battle of Nordesca · Battle of Kinnerlake · Destruction of Halvo Bay (Destruction of Old Town · Battle of the Museum of Military Glory · Siege of Halvo Bay Military Academy · Evacuation of Seahorse Hills · Battle of Elliott's Mansion · Raid on Onyx Point · Destruction of Downtown Halvo Bay · Ambush on the Halvo Bay Courthouse · Battle of the Plaza) · Battle of Kaia · Battle of Autrin · Battle of Jasper
1 A.E. Battle of Bonbourg · Second Battle of Jannermont · Fall of Ostri · Battle of Andius · Ambush on Voslov Bridge · Hammer of Dawn Strikes · Battle of Oblivion · Skirmish in the Live Zone
5 A.E. Fall of Landown
9 A.E. Battle of Noroa · Riverside Skirmish · Evacuation of Ilima (Ambush on Checkpoint Zeta · Assault on Ilima Savings and Trust · Mission to Ilima High School · Battle of Downtown Ilima · Battle of Dr. Wisen's Orphanage)
10 A.E. Battle of Estana · Skirmish at Shenko Falls · Fall of Ephyra
11 A.E. Skirmish Outside the Wire
12 A.E. Raid on Ginnet Drive · Incursions at Endeavor
13 A.E. Battle on the Andius Highway · West Barricade Campaign · Raid on the CIC
14 A.E. Operation: Midnight · Jilane Massacre · Siege of the Slab · Battle of the Slab · Lightmass Offensive (Battle of Embry Square · Mission to House of Sovereigns · Ambush at the Tomb of the Unknowns · Mission to Old Ephyra · Skirmish at Aspho Gas Station · Assault on Franklin's Outpost · Mission to Lethia Imulsion Facility · Mission to East Barricade Academy · Battle of Fenix Estate · Mission to Timgad · Skirmish at Timgad Station · Battle on the Tyro Pillar) · Ambush at Sovereigns Boulevard · Evacuation of North Gate · Mission to Tollen · Battle of the Tollen Dam · Evacuation of Speyer · Evacuation of Fort Reval · Battle Outside of Jacinto · Mission to the Pirnah Badlands · Battle for Fucked · Mission to Montevado · Battle Near Jacinto · Unidentified M.O.U.T. Battle · Liberation of Jilane · Siege of Jacinto City (Raid on Pomeroy Depot · Raid on Jacinto Med) · Operation: Hollow Storm (Battle of Stromson Forest · Assault on Landown · Assault on the Inner Hollow · Battle of Ilima · Destruction of the Riftworm · Mission to New Hope Research Facility · Mission to Mount Kadar · Battle Outside of Nexus · Siege of Nexus · Battle of the Royal Palace · Assault on Jacinto Command · Sinking of Jacinto City) · First Mission to Merrenat Naval Base · Skirmish South of Port Farrall · Second Mission to Merrenat Naval Base · Battle of Port Farrall · Ambush Outside of Port Farrall
15 A.E. Skirmish in the Kashkur Foothills
17 A.E. Skirmish at Endeavor · First Battle of Azura · Victory Day (Battle of Centennial Bridge · Ambush on Hanover Coast · Battle of the Deadlands · Battle of the Anvegad Plains · Battle of Anvil Gate · Mission to Halvo Bay · Skirmish in Concord · Mission to Mercy · Assault on Griffin Tower · Battle of Endeavor · Incursions in the Serano Ocean · Raid on the Maelstrom Barrier · Second Battle of Anvil Gate · Second Battle of Azura · Battle of Pinnacle Tower)
Community content is available under CC-BY-SA unless otherwise noted.