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"Think of it as a neutron bomb without the blast, one that only kills Lambent cells... in all of us."
—Professor Adam Fenix explaining the countermeasure's function.

The Imulsion Countermeasure Weapon (ICW) is a targeted radiation weapon[1] that destroys Lambent cells infected by Imulsion. It was created by Professor Adam Fenix to resolve the Lambent pandemic. The countermeasure was completed in Bloom, 17 A.E.

Queen Myrrah quickly seized the device following its completion, hoping to retune the weapon in order to prevent the destruction of the Locust Horde, as their cells were saturated with Imulsion due to their ancestry, alongside years of exposure. A three-way conflict later erupted over control of the weapon between the humans, the Locust, and the Lambent, to ensure their own continued survival.

The humans were ultimately successful. The Lambent were vaporized by the Imulsion countermeasure, while the Locust were neutralized and forced into a state of accelerated evolution.

History[]

Prelude[]

Four years before E-Day, Queen Myrrah of the Locust Horde contracted Adam Jonathon Fenix to construct a device that could wipe out the Lambent, who were killing the Locust underground. If he did not do this, she threatened to invade the surface and destroy the human race. Adam, always being locked in his study, was determined to find the answer. However, four years later, the Locust were dealt a serious blow in the Lambent War and had no choice but to invade the surface of Sera. Adam knew of E-Day, but kept it secret so he could continue his work on the project and avoid being executed.

Locust War[]

Kidnapped to Azura[]

After Adam admitted the truth to his assistant, Nevil Estrom, he told Chairman Richard Prescott, who had Adam abducted to the secret island of Azura where he continued his research on stopping the Lambent and Imulsion which he realized was a parasitical organism and the cause of Lambency. Adam worked with biologists and other scientists on finding a cure to Lambency, but when that continued to fail, he started thinking in terms of killing it. Remembering what his wife had said about using radiation to kill cells infected with various pathogens at the University she worked at, Adam struck upon the idea of using radiation in some manner to kill Imulsion and began working on the weapon.

Lambent Pandemic[]

Building the Weapon[]

By 17 A.E., Adam had nearly completed the weapon which was built on top of Pinnacle Tower. When word of the Queen's Guard being spotted at Endeavor Naval Shipyard reached Azura, Adam was working on the weapon and told Richard Prescott that he was close to finishing it, but perhaps not close enough if the Locust were coming. However, Adam noted that it wouldn't be the first time he'd built a weapon of mass destruction under a deadline. Adam stated that the device would effect the Locust depending on their degree of Imulsion contamination and brushed off concerns about his own level of contamination.

As the danger from the Locust increased, Adam focused solely on getting the weapon operational. As it wasn't portable Adam was insistent that they needed to defend it until the weapon could be used to destroy the Lambent.[2]

Siege of Azura[]

A little over a month after the Locust were spotted at Endeavor, they attacked Azura and Captain Paul Dury ordered Red Squad to defend Adam and the device. Adam and Nevil Estrom managed to reach Pinnacle Tower and the weapon to defend it with Red Squad against the attacking Locust forces. Richard Prescott and Dury eventually arrived and ordered Adam to evacuate, but he refused as he knew there was no point in saving him if they abandoned the weapon as well. Knowing the Queen Myrrah needed him, Adam chose to stay on Azura to finish it and sent Prescott to find Colonel Victor Hoffman for help and sent Nevil to hide his research in one of the limestone caverns so the weapon could be rebuilt if he was wrong about Myrrah's intentions.[2]

Instead of killing everyone as she planned, she found Adam, who she believed was dead, and spared only him to continue his research. Adam found a way to use targeted radiation to kill Imulsion and all Lambent lifeforms, but while humans not severely infected wouldn't die, the Locust would due to their level of exposure. Adam wanted to help the Locust, however the Imulsion was reaching a critical point in its lifecycle. If Adam attempted to fix the weapon to make it harmless to the Locust, it would not work. Adam left his lab when the guards were changing shifts to compile his data. However, he was eventually caught by a guard and the guards around his lab were tripled.

Battle of Azura[]

"Think of it as a neutron bomb without the blast, one that only kills Lambent cells... in all of us."
—Adam Fenix, explaining to Damon Baird how the Countermeasure works

During the Second Battle of Azura, Marcus Fenix, along with Delta-One, found Adam and they escorted him to the roof of Pinnacle Tower. There, Delta fought off the Tempest so Adam could activate the weapon. They succeeded in defeating the Tempest with the Hammer of Dawn. However, Adam then revealed he too will die, because he injected himself with enough Imulsion that he too would perish. When asked why, he said he had to test the weapon first. He died, but not before telling his son to live his life and that he loved him. All of the Locust and Lambent were destroyed and Myrrah was stabbed by Marcus with Dominic Santiago's commando knife.[3]

Aftermath[]

Gears 5 Azura vista

The Imulsion Countermeasure in 42 A.E.

After the mass Locust extinction, Locust corpses began to form an impenetrable crystal shell around their bodies. They were dumped in mass graves underground. A few Locust managed to survive the firing of the weapon, but they were hunted down and killed by the Brash Brigade.

Around 42 A.E., the Locust began to emerge from their crystal shells and formed the Swarm. It is also shown that the weapon only destroyed the Lambent as all Lambent organisms were vaporized by the weapon, unlike the Locust. 

Appearances[]

References[]

The Weapons and Equipment of Gears of War
Human
Melee Weapons Chainsaw Bayonet · Combat Knife · Commando Knife · Machete · Powersaw
Rifles Designated Marksman Rifle · EMBAR Railgun · Enforcer Submachine Gun (Shock variant) · GZ18 Markza Sniper Rifle (Marksman variant) · Hunting Rifle · Musket · Longshot Sniper Rifle · Mark 1 Lancer Assault Rifle (Police variant) · Mark 2 Lancer Assault Rifle (Custom variant) · Mark 3 Lancer Assault Rifle (GL variant) · UIR Belt-fed Machine Gun
Shotguns Gnasher Shotgun · Overkill Shotgun · Sawed-Off Shotgun
Sidearms MX8 Snub Pistol · Talon Autopistol · Zapper
Grenades Beacon Grenade · Bolo Grenade · Cytostatic Gas Grenade · Flashbang · Incendiary Grenade · Molotov Cocktail · Shock Grenade · Smoke Grenade · Stim-Gas Grenade
Heavy Weapons Auto-Turret · Booshka Grenade Launcher · Buzzkill · Chain Gun · COG Machine Gun · Cryo Cannon · Dropshot Munitions Launcher · Laser-Guided Rocket Pod · Longspear Rocket Launcher · Mortar · Mulcher · One-Shot · Rocket Launcher · Salvo Rocket Launcher · Scorcher Flamethrower · Silverback Rocket Launcher · Stomper · Tripwire Crossbow · Tri-Shot Chain Gun · Twin-Barrel Turret · UIR Machine Gun · UIR Minigun · Ultra-Violet Turret · Vulcan Gatling Gun
Super-Heavy Weapons Asp SAM Turret · Ball Turrets · Brader · Defence Missile System · High Velocity Main Cannon · Flechette Guns · Fortress Artillery Cannon · Industrial Staple Gun · Kestrel Missile Launcher · Mega Mech Gatling Gun · Naval Gun · Pariah Cannon · Railgun · Torpedo · UIR Artillery Battery · UIR Anti-Air Turret
Weapons of Mass Destruction Hammer of Dawn · Imulsion Countermeasure Weapon · Lightmass Bomb · Lightmass Missile · Nuclear Missile · Venom Bomb
Equipment Adrenaline Injector · Barrier · Blow Torch · COG/UIR Ammo Crates · Cloak · COG Armor · COG Tag · Fire Extinguisher · Gas Mask · Gut-Puncher · Propane Tanks · Pulse · Remote Targeting System · Stim · UIR Armor · UIR Tag
Other Bow · Flash · Hijack · Shock Trap
Locust/Swarm
Melee Weapons Butcher Cleaver · Breaker Mace · Combat Knife · Crystal Tooth Bayonet · Dual Chainsaw Staff · Explosive Flail · Serrated Knife · Staff · Tremor Hammer
Rifles Breechshot · Claw Light Machine Gun · Hammerburst Assault Rifle (Gorgon variant) · Hammerburst II
Shotguns Elite Sawed-Off Shotgun
Sidearms Boltok Pistol · Gorgon Submachine Gun
Grenades Bolo Grenade · Ink Grenade · Kryll Grenade
Heavy Weapons Boomshot Grenade Launcher · Canker · Digger Launcher · Multi-Turret · Nemacyst · Reaver Chain Gun · Torque Bow · Troika Heavy Machine Gun (RAAM's variant)
Super-Heavy Weapons Brumak Rocket Launcher · Wrist-Mounted Chain Gun · Brumak Rocket Mortar · Corpser Mine Layer · Hydra Missile Pod · Hydra Rocket Pod · Locust Defense Tower · Reaver Rocket Launcher · Siegebeast Catapult
Weapons of Mass Destruction Riftworm
Equipment Boom Shield · Imulsion Explosive Canister · Imulsion Injection Harness · Immune System Booster · Locust Ammo Crates · Locust Armor · Locust Emblem · Swarm Armor · Thumper · Torture Pod
Other Ticker
Easter Egg Weapons
Melee Weapons Elemental Cleavers · Fish Stick
Rifles A Real Gun
Shotguns Raging Buccaneer
Sidearms Despicable You · Memento Mori
Grenades Dom's Toms
Heavy Weapons Cluckshot · Trackshot
Other Relic Weapons
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