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IsaacHDIsaac Rebirth

Knights are children with their bodies covered completely in iron, and a mask with two black eyes and a mouth. Their brain is the only part not covered in armor.


Knights are invincible from the front, and can only be damaged from the back or, occasionally, the side.

Knights generally move about the room erratically, but react to having orthogonal line-of-sight on the player. If the player gets close enough to a Knight on a horizontal or vertical path, the Knight will change direction to move towards the player. The Knight will be set in this new direction until it hits an obstacle or the wall. This means that attracting a Knight's attention, and then quickly moving behind it to shoot can be a viable strategy, especially with a high Speed stat and when done horizontally in rooms with few obstacles. The Knight's line of sight is limited, however, which can allow the player to shoot a Knight vertically across the room without the Knight changing direction if on opposite ends. Care should be used in fighting large numbers of them, especially in the more maze-like room layouts.

Knights can be safely dispatched with the use of piercing shots from Cupid's ArrowTechnology, or Brimstone, as these will damage them even from the front. The player can also use Bombs, or if the The Ladder or flight ability (from Lord Of The Pit or Transcendence ) is available, simply hiding safely over a pit and shooting from a distance. Knights will also take damage from walking into Fireplaces or Spikes. Status effect tears, such as The Common Cold can be applied from the front. You can also hold Mom's Knife to kill Knights, if you're not worried about taking damage.

When spawned by bosses such as Mom's Heart or Death, a Knight is briefly vulnerable until it begins moving.


  • Edmund has stated that Knights are a reference to Darknuts from The Legend of Zelda series, which can also only be harmed the same way.


  • Using Mom's Pad will sometimes reverse the hit spot on the Knights meaning the player has to fire at the Metal face on the Knight whereas the brain seems to react like it is the Metal face.


Normal monsters
I Blob-button

I. Blob
More monsters coming soon...
Flies Black FlyAttack FlyMoterEternal FlyPooterFat FlyBoom FlyRed Boom FlyDrowned Boom FlySuckerSpitDart FlySwarm FlyRing FlyLevel 2 FlyFull FlyHush FlyBall of Flies
Spiders SpiderBig SpiderTriteRaglingRag TriteLevel 2 SpiderTicking SpiderBaby Long LegsCrazy Long LegsWall CreepBlind CreepRage Creep
Spheres BoilGutSackBlue BoilWalking Variants
Mulligans MulliganMulligoonMulliboomHiveSwarmerNestDrowned Hive
Headless HopperFlaming HopperLeaperPacerGusherSplasher
Gapers GaperFrowning GaperGurgleMr. MawFlaming GaperCyclopiaSkinnyRottyNullGreed GaperBlue GaperSwinger
Heads HorfPsychic HorfMawRed MawPsychic Maw
Globins GlobinGazing GlobinBlack GlobinDank Globin
Knights KnightSelfless KnightFloating KnightBone Knight
Blobs ClottyClotMega Clotty
Maggots MaggotChargerSpittyConjoined SpittyDrowned ChargerGrub
Body parts Mask + HeartBrainMemBrainGutsMama GutsEyeBloodshot EyeMom's HandDead Mom's HandScarred GutsNerve EndingStone Eye
Worms Para-BiteCod WormScarred Para-BiteRound WormNightcrawlerRoundyUlcer
Leeches LeechKamikaze LeechHoly Leech
Poop DipCorn DipBrown DipSquirtDank SquirtDinga
Skeletons BonyBlack BonyDeath's HeadDank Death's HeadFlesh Death's Head
Ghosts Lil' HauntWizoobRed Ghost
Bats One ToothFat Bat
Fatties FattyFlaming FattyConjoined FattyBlue Conjoined FattyPale Fatty
Hosts HostRed HostWalking HostWalking Red Host
Vises VisDouble VisChubberCage VisScarred Double Vis
Tumors TumorPsy TumorCamillo Jr.
Spikes Wall HuggerSlidePoky
Babies BabyAngelic BabyEmbryoImp
Homunculuses HomunculusBegotten
Keepers KeeperHanger
Grimaces Stone GrimaceVomit GrimaceGaping MawTurret GrimaceBrimstone Grimace
Oobs OobBlack Maw
Others FredLumpB. LickerDukieDopleEvil TwinMeatball

Start a Discussion Discussions about Knight

  • How many can you find

    4 messages
    • Nights are easy if you have something like technology, brimstone, Cupid's arrow, etc.
    • <div class="quote"> wrote:<br />Nights are easy if you have something like technology, brimstone, Cupid...

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