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Swarmer

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Xxx form2Isaac Rebirth

Swarmer is a new type of enemy added in the expansion Wrath of the Lamb, which can be found in Necropolis.

Behavior

They act similar to the Duke of Flies. This enemy will constantly spawn regular Flies. However, when hit, he will spit out two Pooters or Fat Flies in variation. When the Swarmer is destroyed, it will spawn a Boom Fly or a Red Boom Fly.

This enemy does not shoot projectiles, so it's best to kill the flies first. If the player has considerable firepower, focusing fire on him hoping to kill the Boom Fly as soon at it spawns (and the surrounding flies with its blast radius) is also a viable strategy.

They can float across the room, which can be annoying when there are rocks blocking your shots. In the XL room, they may also float from a dark place, making them hard to see and easier for them to inflict damage on Isaac.

It is also worth noting that Swarmers are immune to the touch-damage effect conferred by the item My Little Unicorn, the Chariot tarot card or the Virus. On the other hand, this enemy does not deal touch damage.

Trivia

  • This enemy is the next and possibly the final stage of the original Mulligan. As seen how the Black Flies nested inside the Mulligan, they multiplied forming the Hive, and eventually took control of the Hive, forming the Swarmer, being nothing but a flying nest of flies. It is very intentional considering the game theme of decay, how in the early chapters they seem partially "infected" by the flies, and they eventually decayed over time in the later floors.[1]
    • Given that the Gaper, Mulligan, Hive and Swarmer are all the same monster in stages of decay and infestation, the Swarmer seems to be in the severe stages of decay, to the point of being practically nothing but a skull by this point.

References

Monsters
Insects
Black FlyAttack FlyMoterEternal FlyPooterFat FlyBoom FlyRed Boom FlyDrowned Boom FlySuckerSpitDart FlySwarm FlyRing FlyLevel 2 FlyFull FlyHush FlyBall of FliesSpiderBig SpiderTriteRaglingRag TriteLevel 2 SpiderTicking SpiderBaby Long LegsCrazy Long LegsWall CreepBlind CreepRage CreepPara-BiteCod WormScarred Para-BiteRound WormNightcrawlerRoundyUlcerMaggotChargerSpittyConjoined SpittyDrowned ChargerGrubClottyClotMega ClottyLeechKamikaze LeechHoly Leech
Objects
BoilGutSackBlue BoilHostRed HostWall HuggerSlidePokyStone GrimaceVomit GrimaceGaping MawTurret GrimaceBrimstone Grimace
Humanoids
MulliganMulligoonMulliboomHiveSwarmerNestDrowned HiveHopperFlaming HopperLeaperPacerGusherSplasherGaperFrowning GaperGurgleMr. MawFlaming GaperCyclopiaSkinnyRottyNullGreed GaperBlue GaperSwingerHorfPsychic HorfGlobinGazing GlobinBlack GlobinDank GlobinKnightSelfless KnightFloating KnightBone KnightBonyBlack BonyFattyFlaming FattyConjoined FattyBlue Conjoined FattyPale FattyKeeperHangerVisDouble VisChubberCage VisScarred Double VisHomunculusBegottenDopleEvil Twin
Body parts
Mask + HeartBrainMemBrainGutsMama GutsEyeBloodshot EyeMom's HandDead Mom's HandScarred GutsNerve EndingStone Eye
Poop
DipCorn DipBrown DipSquirtDank SquirtDinga
Flyers
MawRed MawPsychic MawDeath's HeadDank Death's HeadFlesh Death's HeadLil' HauntWizoobRed GhostOne ToothFat BatTumorPsy TumorCamillo Jr.BabyAngelic BabyImpDukieOobBlack Maw
Others
FredLumpEmbryoB. Licker

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