The Siege of Jacinto City was the turning point in the Locust War. With the Locust Horde suffering from massive losses and a damaged infrastructure from the Lightmass Offensive, the Horde decided that the only way to defeat the Humans was to attack their last bastion of hope: Jacinto City. With Skorge using the Riftworm to destroy the cities and military installations around Jacinto, the Horde was able to attack the North Gate Agricultural Depot and the water pipelines, depriving Jacinto of supplies. This lead the COG High Command to regroup and make a counterattack: Operation: Hollow Storm.

Prelude to the SiegeEdit

Premature VictoryEdit

After the Lightmass Offensive, the Coalition forces began to drop their guard. Seizing the opportunity, they began much needed repairs on their dwindling resources and half of the Raven fleet was put in hangars for repair. However, the hopes of a victory proved premature. The Locust sunk the cities of Tollen and Montevado. Then, a massive Locust army began taking the COG-controlled farmland and the Stranded's looting left the COG unable to properly react to the Locust assault. The COG forces began to pull back toward Jacinto to prepare for an imminent siege.

Riftworm OffensiveEdit

Both Tollen and Montevado literally fell. They are sunk. These cities are once thought invulnerable due to the thick, impenetrable rock of the Jacinto Plateau being too hard for the Locust to breach. With the Locust slowly chipping away at the city's foundation, Jacinto itself was now threatened with the same fate as Tollen and Montevado, leaving Coalition High Command no other choice, but to organize a counteroffensive into the Locust heart: The Hollow.

Beginning of the SiegeEdit

Months after the Lightmass Offensive, the Locust began raiding the COG-controlled zones and attacking vital facilities such as the North Gate Agricultural Depot,[3] water pipelines and Jacinto's main military hospital. After the successful Evacuation of North Gate, the Locust troops laid siege to Jacinto City, pushing deeper into the city every day.

Siege and Hollow StormEdit

Urban WarfareEdit

The Locust forces entrenched themselves in Jacinto City and began moving into Cooper Street to attack the nearby hospital to raid supplies.[4] The major Locust sinkhole was located near Cooper Street and the Locust forces are able to move the Grinders, Reavers and Maulers into the area, quickly making it a stronghold. Fighting for Cooper Street cost the Coalition heavy causalities and led to the fall of Pomeroy Depot. The nearby hospital was hit next, but the heavy air support and Delta Squad are able to drive them off.[2]



The COG Army before attacking Landown

Since the Lightmass Offensive failed to kill the Locust Horde in the Hollows, Coalition High Command theorized that an attack on the Inner Hollows via Landown to destroy the Locust home front would end the war once and for all. The COG forces moved out of Jacinto and into the staging grounds for the Assault on Landown, taking heavy losses along the way. The Gears managed to capture Landown and enter the Inner Hollows by using the Grindlifts, bringing the Locust War to the Locust themselves.


  1. Gears of War: Jacinto's Remnant pg 3
  2. 2.0 2.1 Gears of War 2: Act 1: Tip of the Spear
  3. Gears of War: Aspho Fields
  4. Gears of War Bonus Disk
Locust War
0 A.E. Emergence Day (First Battle of Jannermont · Battle of Mattino Junction · First Battle of Ilima · 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 Jasper · Battle of Autrin)
1 A.E. Battle of Bonbourg · Second Battle of Jannermont · Fall of Ostri · Battle of Andius · Ambush on Voslov Bridge · Hammer of Dawn Strikes · Fall of Claybourne · Siege of Zenic Laboratory · Assassination of Ukkon (Mission to CIC Aldair · Rescue of Echo-Five · Assault on Industrial District · Mission to Claybourne · Rescue of Alpha-Two · Mission to Nedroma Health Institute · Battle of Imtik Imulsion Rig · Mission to Winlock Outpost · Mission to the Badlands · Mission to Zenic Province · Battle of Ukkon's Laboratory) · 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 · Assault on Franklin's Outpost · Mission to Lethia Imulsion Facility · Mission to East Barricade Academy · Battle of Haldane Hall · Mission to Timgad · 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 · Assault on Mount Kadar · Mission to Nexus · Siege of Nexus · Battle of the Royal Palace · Assault on Jacinto City · 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 · Mission to Char · Battle of Endeavor · Second Battle of Anvil Gate · Incursions in the Serano Ocean · Second Battle of Azura · Battle of Pinnacle Tower)
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