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Fallen Overlord is a boss that was added with the release of the game.


Fallen Overlord has a gray circular base with four Overlord drone launchers.


Fallen Overlord moves with a low speed, and has medium speed. It has many strong drones, which respawn at a pretty fast rate. Drones have high damage, penetration, low health and relatively mediocre speed.


The Fallen Bosses appear to be souls of the First tanks, which the Fallen Overlord is one of them.

Closing Splashes:

  • The First Overlord was tortured by a Guardian into shooting Crashers instead of Drones.

The First Overlord died to a Guardian, and the soul became so corrupted that instead of retaining normal characteristics, it turned into a cross between Summoner and Overlord, but instead of Squares/Drones it spawned Crashers.


Spawns by a randomizer.


Fallen Overlord has medium health, and can be killed fast enough. The problem is its Crashers, which have strong penetration, health, and damage. Without these drone-lookalikes, Fallen Overlord is defenseless. These Crashers do have a weakness - they move with medium speed, and fast tanks can easily kill the Fallen Overlord.

Rotor branch and Eagle branch can easily kill Fallen Overlord, with the correct build. All you should do is firstly lure the undead Crashers away from Fallen Overlord, and then start circling around the boss. This way, you can get rid of crashers, while killing the boss itself. If you are a high DPS tank, you will need some movement speed, and high penetration, as you will not have much time to kill Fallen Overlord. Firstly, you should yeet the crashers as far as possible, and then charge the Fallen Overlord. You have to kill it fast before the Crashers will come back, but it has decent health.

Multiple players can kill Fallen Overlord very easily. One player will have to distract the crashers, as all the crashers will lock on only a single player. Then, another player can easily finish off Fallen Overlord, as it will be defenseless.


  • This is one of 5 original Diep.io bosses: the others are its brethren the Fallen Booster, and the Guardian, Summoner, and Defender.
  • This and the Fallen Booster are the only Fallen bosses to have a splash text message, albeit only 1 per.


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Elite Elite BasicElite BorerElite DestroyerElite GunnerElite InfernoElite MachineElite SniperElite SprayerElite TrapperElite TwinElite Rifle
Reanimated Reanimated Farmer • Reanimated Hepta Trapper • Reanimated Uzi • Reanimated Biohazard
Fallen Fallen Auto Tank • Fallen Booster • Fallen Cavalcade • Fallen Fighter • Fallen Overlord • Fallen Piston
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Celestials True Celestials (AthenaGaeaKierreLokiMevolentRheaRuneSerafinaTartarus) • Eternals (Ra) • Primadorals (Chaos)
AWP-Neph • AWP-Snipe • AWP-MachineLegendary Crasher • Hexaswarmer • C.L.O.C.K. • Swarm Square • Squarefort • Ultra Punt • Chandelier • Hexaship • Unnamed Boss • Trap Dweller • Hexahedron • Heptahedron • Mythical Crasher • AWP-Ultima • AWP-sqrt(3) • AWP-12 • AWP-33 • AWP-39 • Lucrehulk • Missilus • Destroyer • Frigate • Hexadecimator • Heptadecimator • Tetraplex • A.W.S. • Astra • Article 13 • Industrian • Vacuole • Tetrafras • Pentrafras • sarfassaS • Sassafras Supreme • emerpuS sarfassaS • Fallen Hybrid • Fallen Octo Tank • LQM • Hyperion • Unnamed Boss • XZ-4 • Iconsagona • ESHG-85 • Quintet • Vulcanship • PDK-175000 • Tri-Seeker • Trapperzoid • HF-61 • Superbird • Hexachoron • Elite Defender • Terrorhedron • Overgod • Elite Railgun • Dematerializer • 3-Ortho • The Jet • ROD-1 • Terminus • Battlegon • The King • Elite Director • Sun King • Heptazoid • Elite Implosionist • Elite Battleship • Elite Pelleter • Nest Keeper • Carbonfras • Bits Krieg • SOULLESS-1 • Sacred Crasher
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AtlantisUnholy HellbringerAWP-4AWP-5AWP-9Ship-36Ultima 3FueronUnnamed Boss 3Solar EclipseViixittyt IlxnaidrauGScramjet Guardian  •  HB3_37