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The Deltrablade is a Nest Defender boss that was on December 15, 2018.


Deltablade has an orange concave-convex dodecahedron shape, similar to Tri-Blade. On each side of the "blade", it has an auto missle deployer(It looks like a Shrapnel), each has a white circle inside the auto-turrets base. Between the "blades", Deltrablade has a Trapper launcher.


Deltrablade has medium speed, always spins, and fires traps no matter what. Deltrablade traps do not have much health or penetration, but they have decent speed and damage, capable of killing unaware players fast. Deltrablade's main strengths are its missiles: they are strong, have great speed and penetration, and launch bullets that have decent damage. Missiles are spawned at a fast rate, but those missles are small and also very fast making them have high penetration.


Since Deltrablade has excellent DPS and RoF, most tanks just cannot beat it. Bullet spammers will just not be able to penetrate its missiles and the Machine Gun bullets that escape the missiles will most likely be penetrated by Deltrablade's traps, which are respawned fast. Drone tanks are completely useless against the boss as most of the drones will bump into traps and missiles, and you will also take damage. You will just not be able to kill Deltrablade before it kills you with majority of tanks.

Still, some tanks may counter Deltrablade effectively. Firstly, Splitter can kill a Deltrablade. In order to do so, the splitter will have to take advantage of its incredibly high minion respawn rate and DPS. Getting to medium range with this boss, and then charge all your minions in the Deltrablade. After this, retreat, come from another flank and repeat the procedure. Surprisingly, a skilled Launcher branch can counter Deltrablade with the correct build. Firstly, you will need Shield regeneration, as well as high movement speed, some penetration. You will need to launch missiles to the sides of Deltablade, come to the side where the missile was launched, and force Deltrablade to take damage from it.

Fighting Deltrablade in groups is much easier. If there will be at least a single player distracting the Deltrablade, the other player can no longer worry about missiles. Any tank will work as a distraction for the boss, as the tank can keep firing and minimizing damage from Deltrablade. Meanwhile, another tank can deal heavy damage to the boss.


  • It was one of the woomy.arras.io Bosses that underwent a change from the Tale of Diep to woomy.arras.io.
  • Deltrablade has some of the highest bullet speed of all the Nest Protectors.
  • It will spawn from three to eight regular Tri-Blades on its death.
  • The Deltrablade seems to be a stronger version of a Defender.


Edit thisIn-Game Bosses
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
Splitting BowSnowflakeConstellationXyv Wdtcfgzsezgk
Influx DemolisherDerogatorBlitzkriegCutterHexadecagorIndustryAsteroidOctogeddonOctagronUltimate
Nest Defenders AquamarineColliderDeltrabladeGunshipKioskMagnetarMessengerPulsarSliderTrape-FighterVanguardVis Ultima
Polygon AtriumCometConquistadorConstructionistDefenderDropshipElite SkimmerGravibus OctanguliGuardianPS3_33Leviathan • S2_22 • AT4_BWMladicNailerOrangicusApplicusLemonicusPalisadeConfidentialRogue PalisadeSassafrasSummonerUltimate Multitool
Sentry Boss Variants Army CaltropArmy CascaderArmy DevastatorArmy Expunger
AWPs AWP-1AWP-log(24)AWP-sin((4*pi)/45)AWP-cos((13*pi)/60)AWP-tan((3*pi)/10)AWP-8AWP-11AWP-14AWP-21AWP-24AWP-28AWP-69AWP-IceAWP-RingAWP-PistolstarAWP-cos(39°)
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
Developer Bosses
AtlantisUnholy HellbringerAWP-4AWP-5AWP-9Ship-36Ultima 3FueronUnnamed Boss 3Solar EclipseViixittyt IlxnaidrauGScramjet Guardian  •  HB3_37