Black Gear

A Black Gear (黒い歯車 Kuroi Haguruma) is a device made by Devimon to control other Digimon on File Island, often sending them on an uncontrollable rampage and corrupting their thoughts. The Black Gears also possess the power to strengthen and enlarge Evil Digimon like Devimon. Evil Rings and the Evil Spirals later created by the Digimon Kaiser share a similarity to them. Black Gear will either insert themselves fully into their digimon or will only go parsally with half of it sticking out. When a Digimon is defeated in battle the Black Gear will launch itself out of their bodies and explodes.
=Appearances=
==Anime==
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The Chosen Children see a Black Gear fly at the beginning of "Red Hot! Birdramon". Upon reaching the Pyocomon Village, one of them mentions it saw the Black Gear going to Outlook Mountain. After talking to all the Pyocomon, Yagami Taichi and Takenouchi Sora confirm the direction it flew in. After the Chosen Children defeat Meramon, the Black Gear leaves his body, and they realize it was the cause of his berserk state.
In "Lightning! Kabuterimon" the Chosen Children discover Factorial Town. The Chosen Children find Andromon stuck in between Factorial Town's gears. While they are trying to free him a Black Gear enters Andromon's body causing his to identify the Chosen Children as enemies. After Andromon is defeated, the Black Gear leaves his body.
In "Palmon, Raging Evolution!" all of the Chosen Children besides Tachikawa Mimi are captured by Monzaemon, and are forced to be played with by all the abandoned toys in Toy Town. After being defeated, he confesses he just wanted kids to value their toys more, but an evil feeling created from the Black Gear overwhelmed him.
In "Roar! Ikkakumon" Kido Jo climbs atop the Infinity Mountain and witness a swarm of Black Gears emerge from its top. Jo then sees a Black Gear launch itself into Unimon's neck. The Black Gear leaves it after Ikkakumon defeats it.
In "The Messenger of Darkness, Devimon!" Devimon commands Orgemon and Leomon to destroy the Chosen Children. When Leomon refuses, Devimon inserts a Black Gear into him, It is momentarily removed when Leomon came into contact with Taichi's Digivice but was promptly returned inside Leomon.
In "Clash! The Freezing Digimon" Taichi is stranded on an iceberg and is attacked by Yukidarumon with a Black Gear sticking out of its back. Taichi then meets up with Ishida Yamato when they are ambushed by Mojyamon with a Black Gear stuck in his chest. Again, both are successfully removed after combat.
In "Centalmon, The Guardian!" Mimi meets up with Izumi Kōshirō, they have a fight and Mimi gets lost in a maze, while trying to find a way out they faced off with Centalmon. After being freed from the Black Gear Centalmon helps the Chosen Children chase off Leomon.
In "Departure - to a New Continent!" the Chosen Children build a raft to travel to the Server Continent. while on their way they are eaten by Whamon, and find a Black Gear in Whamon's stomach. As thanks for removing it, Whamon took the Chosen Children to an underwater store, where they're ambushed by a Black Geared Drimogemon. 
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The Digimon taken over by the Black Gears include:
Digimon 	Ep
Meramon 	DA04
Andromon 	DA05
Monzaemon 	DA06
Unimon 	DA07
Leomon 	DA08
Yukidarumon	DA09
Mojyamon 	DA09
Centalmon 	DA10
Whamon 	DA14
Drimogemon 	DA14
==Manga==
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==Video Games==
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The Black Gears are used in the same way as they were in the Digimon Adventure anime. No game-exclusive Sub Episodes have appearances of Black Gears.
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==TCG==
=Image Gallery=
==Artwork==
==Video Games==
Category:Terminology
Category:Items
Category:Digimon Adventure