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The Summoner is a square boss that was added on August 17, 2018. It looks like the Necromancer, but is much larger and continuously spawns drones while attacking.


Summoner has a yellow square base and four Underseer drone spawners around it.


Summoner has low speed and health and summons sunchips at a very fast rate. Its sunchips have low health and penetration, but decent damage and speed.


Summoner can spawn on the death of Xyv Wdtcfgzsezgk, or when Square Sanctuary dies.


Being in the history of the very first Destroyer, the Summoner and the white Destroyer fought a long fight, when the Summoner somehow stained the Destroyer with its attacks. Afterwards the Comet corrupted and the Destroyer was forced out.


Summoner is one of the weakest bosses though its probably the weakest, so killing it will unlikely be a problem. All tanks with high penetration and RoF can easily eliminate the Summoner, as you will be dealing high damage while penetrating most sunchips. As the focused-fire tank, try to keep a medium distance while spraying some bullets in the direction of incoming sunchips. Hexa Tank branch can also eliminate all the sunchips and kill the boss pretty easily. As a minion tank, you should consider keeping your minions between you and the Necromancer, so that they will absorb most of the sunchips. As an Engineer branch tank, try to create yourself a fortification from pillboxes and periodically launch your pillboxes into the boss.

If the boss spawned from the death of Xyv Wdtcfgzsezgk, you have two options to go. The first option is to quickly eliminate Guardian, and then apply the strategies above on the Summoner. Another option is to focus on killing the Summoner first due to its low health and then retreat from the Guardian and Defender.


  • This boss exists in both Diep.io and Arras.io and Woomy-Arras.io and its the only boss with this ability.
  • And this is the only in-game boss that uses Summoner Squares-Necro drones to attack; Even though Kiosk drones look like necro drones they are not necro drones.
  • Despite belief, the First Summoner did not kill the Destroyer. It simply got stained yellow. Thus the Arena Closers are yellow too,
  • Summoner has a few names, but the most used is Helios.

Gallery here

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