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Boss Hush name.png
Boss versus screen image
Table dividing line 1.png
In-game appearance
Table dividing line 2.png
Table dividing line 3.png
Final Boss Chest (First kill only)
Gateway to Sheol/Cathedral (Subsequent kills)
Added in Afterbirth † Entrance to The Void (Subsequent kills)
Blue Womb Defeat Mom's Heart 10 timesBlue WombBlue Womb
Added in Afterbirth

Hush is the boss of the Blue Womb.

Behavior[edit | edit source]

Hush starts with a fight identical to the ??? fight, having the same attacks and behavior but a noticeably different appearance and half of ???'s health (as well as a 2×2 room). After Hush's first form is defeated, it reveals its large true form at the top of the room, taking the form of its splash screen appearance. Its health pool is very large, and its basic attacks consist of barrages of shots following various patterns akin to those in the "bullet hell" genre of shoot 'em ups. Combined with enemy summons in between, the attacks can be particularly hard to evade.

During the fight against Hush's true form, every time Isaac deals roughly 20% of its health, it will sink into the ground, becoming stationary, non-attacking, and invulnerable. Once most of the projectiles onscreen have dissipated, it will pop back up, using more varied attacks than before.

Phase 1-1 (First form, 100-67% health)[edit | edit source]

  • Shoots rapid-fire lines of tears that curve as they move.
  • Shoots rapid-fire lines of tears in eight directions with varying intensity and speed.

Phase 1-2 (First form, 67%-33% health)[edit | edit source]

Phase 1-3 (First form, <33% health)[edit | edit source]

  • Spawns flies more aggressively.
  • Hush will teleport at a distance in front of the player, either in the last direction he was moving or directly onto the player if he didn't move at all. Hush will not teleport if he is slowed (e.g. with a Stop Watch Stop WatchStop Watch Icon.pngRemoved in Afterbirth Automatically inflicts slow to all enemies in every room.
    Added in Afterbirth Upon taking damage, inflicts slow to all enemies for the current room.
  • Shoots rapid-fire lines of tears that curve as they move.

Phase 2-1 (True form, 100-80% health)[edit | edit source]

  • Hush fires barrages of bullets in certain patterns, combining 1-3 different patterns of shots. The same pattern can be used multiple times in each barrage.

Phase 2-2 (True form, 80-60% health)[edit | edit source]

Hush will move to the center of the room before resuming its attacks. It also gains an additional attack:

  • Hush spawns a cluster of Hush Flies that fly toward Isaac. These flies have invincibility for a short time after being spawned.

Phase 2-3 (True form, 60-40% health)[edit | edit source]

Hush keeps its attacks from previous phases, and gains two more attacks:

  • Hush spawns a horde of Blue Gapers, which have an appearance similar to Hush's first form, before sinking into the ground to relocate. While relocating, Hush summons Blue Boils that fire either single shots or triple salvos at Isaac that can travel across the room. Hush is invulnerable in this state.
  • Hush fires three rows of wavy Continuum ContinuumCollectible Continuum Afterbirth icon.png+2.25 Range Up. +1.5 Tear Height. Isaac's tears travel through walls and appear out of the opposite wall. Isaac's tears also travel over rocks and objects. shots in one of the cardinal directions, which warp over to the other side of the screen and increase in speed the longer they travel. Hush will perform this attack 2-5 times before using a different one. These shots move in a set pattern, so standing still in a safe spot will allow Isaac to avoid an entire barrage.

Phase 2-4 (True form, 40-20% health)[edit | edit source]

Hush keeps its attacks from previous phases, gains an extra attack, and modifies its attack where it fires barrages of bullets:

  • Hush sinks into the ground while firing its barrages patterns, moving in a random direction or chasing Isaac as it fires, and spawning Blue Boils as it moves. Hush is invulnerable in this state.
  • Hush creates three large red projectiles that move outward and split rapidly into numerous smaller projectiles. Hush can start other attacks before the projectiles from this attack fully dissipate.

Phase 2-5 (True form, <20% health)[edit | edit source]

Hush keeps most of its attacks from previous phases but loses its ability to spawn Hush Flies. It gains one more attack in this phase and will have a greatly reduced attack delay when at <1% health:

  • Hush fires two laser beams upward from its eyes, which will create beams on the ground that move toward Isaac and leave slippery Blue Creep in their wake. The speed at which the beams move is based on Isaac's speed stat, and are always possible to outmaneuver. While firing these lasers, Hush will also release wavy, slow-moving lines of tears in five directions.

When defeated, Hush will scream and disappear in a flash of light. The ground where it once was will become scorched in a shape resembling a distressed face.

Gallery[edit | edit source]

Unlockable Achievements[edit | edit source]

Damage Scaling[edit | edit source]

Damage scaling is an unclear mechanic introduced by Nicalis in The Binding of Isaac: Afterbirth to provide a more challenging experience to the players, enabling some enemies to retaliate against high damage attacks by deploying an "armor" of sort to greatly reduce the amount of damage taken. Further details and an in-depth explanation may be found here.

Strategies[edit | edit source]

  • Having a Stop Watch Stop WatchStop Watch Icon.pngRemoved in Afterbirth Automatically inflicts slow to all enemies in every room.
    Added in Afterbirth Upon taking damage, inflicts slow to all enemies for the current room.
    for this fight is very valuable, as the slow effect triggered upon taking a hit will aid the player's ability to dodge the complex tear patterns and deal with the massive spawns of enemies, which can happen in quick succession.
  • Using the 'I'm Drowsy' pill will have the same effect as Stop Watch.
  • Any items that can fend off projectiles will be highly useful for the fight. Orbital familiars,Circle of Protection Circle of ProtectionCollectible Circle of Protection icon.pngSurrounds Isaac with a large white halo. Once per second, the halo deals Isaac's tear damage to enemies inside it. It may also convert enemy shots entering the halo into friendly purple homing tears., The Soul The SoulCollectible The Soul icon.pngGrants two soul hearts. Isaac now repels enemy projectiles., Trinity Shield Trinity ShieldCollectible Trinity Shield icon.pngIsaac gains a shield that protects him from enemy shots.,Night Light Night LightCollectible Night Light icon.pngA cone of light shines in the direction Isaac is moving that slows enemies and enemy shots., Dry Baby Dry BabyCollectible Dry Baby icon.pngSpawns a familiar that follows Isaac around and blocks enemy projectiles. Upon blocking a shot, it has a chance of triggering The Necronomicon effect.,Farting Baby Farting BabyCollectible Farting Baby Afterbirth icon.pngA familiar that follows Isaac and blocks tears. If a tear hits Farting Baby, there is a high chance for it to fart, which will either knock back, poison, or charm all nearby enemies.,Host Hat Host HatCollectible Host Hat icon.pngA host familiar that sits on Isaac's head and has a random chance to block enemy shots and retaliate with 3 tears. Grants immunity to explosions., and Infamy InfamyCollectible Infamy icon.pngChance to block projectiles coming from any direction. may greatly help mitigate damage. Particularly, having three orbitals at once will block a large number of Hush's shots.
    • Lost Contact Lost ContactCollectible Lost Contact icon.pngEvery tear has a small shield which will allow it to block one enemy projectile. may be beneficial or detrimental depending on the player's tears stat; in combination with a high tears stat, many Lost Contact tears may still reach Hush even after blocking Hush's shots, but if the player has a low tears stat, they may find all their Lost Contact tears fired being destroyed during Hush's bullet hell attacks before they can reach their target.
      • When the player has piercing tears, however, Lost Contact can cause dodging most attacks to become trivial regardless of the player's tears stat, as the player's tears will destroy any enemy projectiles they come into contact with while remaining themselves intact.
  • Piercing tears (or any tear-replacing item that grants a piercing attack) are also useful for killing the enemies Hush spawns, preventing Isaac from becoming overwhelmed and allowing him to dodge its other attacks more easily.
  • Marked MarkedCollectible Marked icon.pngIsaac will now fire tears automatically directed at a red target on the ground which is controlled by the player. This allows for a full 360 degree tear firing radius. Can be overridden by other tear modifiers such as Mom's Knife or Brimstone. and homing tears may help to land more tears while trying to avoid enemy projectiles, either by automatically firing at or targeting Hush even if the shot is a little off.
  • A safe way to beat Hush is through the usage of Gnawed Leaf Gnawed LeafCollectible Gnawed Leaf icon.pngAfter standing still and not shooting for a short time, Isaac turns invincible until he moves or shoots. in combination with a passively damaging item such as Daddy Longlegs Daddy LonglegsCollectible Daddy Longlegs Rebirth icon.pngDaddy Long Legs' shadow follows Isaac and stomps on enemies. or The Pinking Shears The Pinking ShearsCollectible The Pinking Shears icon.png6 roomsSeparates Isaac's head and body for the current room. Isaac's head, which now has flight, will be under the player's control, while his body will seek out enemies to attack by contact damage., though it will take a while. Using The Ludovico Technique The Ludovico TechniqueCollectible The Ludovico Technique icon.pngInstead of firing tears, Isaac controls one floating tear that hover over obstacles. This tear deals constant damage when held in place over an enemy. in combination with Gnawed Leaf can also be effective since Hush doesn't move a lot.
  • Hush is affected by the Chaos Card. It's advised to save the card for phase 2, which has far more health. Alternatively, throwing it upwards during its first phase can kill both phases if timed correctly.
  • Hiding in a corner may assist the player in dodging some of Hush's bullet hell attacks by allowing time for the associated projectiles to spread out.
  • Although Samson's Chains Samson's ChainsCollectible Samson's Chains icon.pngPull a chain and ball behind you that will damage enemies on contact and is able to break stones. can block shots, the wavy path of Hush's continuum shots may allow them to hurt the player even when they are directly behind the ball from Samson's Chains.
  • Serpent's Kiss Serpent's KissSerpent's Kiss Icon.pngTears now have a random chance to apply a poison effect, causing 4 or 6 damage per tick to enemies (Similar to The Common Cold item). Isaac now deals poison damage on contact with enemies similar to The Virus item (Damage over time 4 or 6 per tick). Enemies that were poisoned have a chance to drop a black heart when killed.,Maw of the Void Maw of the VoidCollectible Maw of the Void icon.png+1.0 Damage Up. After continuously firing tears for 2.5 seconds, a red cross appears on Isaac's head that, upon releasing the fire button, creates a black ring that rapidly deals damage equal to Isaac's tear damage to any enemies in contact with it.,Athame AthameCollectible Athame icon.pngWhenever Isaac takes damage, a black ring briefly appears around Isaac, dealing damage to all nearby enemies., or The Virus The VirusCollectible The Virus icon.pngInflicts poison to enemies who make contact with Isaac. Speed down. (in combination with defensive items like an Algiz rune or Book of Shadows Book of ShadowsCollectible Book of Shadows icon.png3 roomsUpon use, creates a protective shield nullifying all types of damage for 10 seconds.) will make killing Hush's spawns occasionally drop black hearts, effectively increasing the player's health pool past the normal restriction of twelve hearts.
  • When playing as Keeper,Head of the Keeper Head of the KeeperCollectible Head of the Keeper icon.pngIsaac's tears become coins and now have a chance to drop pennies on the floor upon successfully hitting an enemy. andWooden Nickel Wooden NickelCollectible Wooden Nickel icon.png1 roomsWhen used, has a 50% chance to drop one random type of coin (penny, nickel, or dime). can be used to drop spare coins on the floor that can be taken after being hit.
    • Wooden Nickel can be combined withCar Battery Car BatteryCollectible Car Battery icon.pngCauses Isaac's activated item to activate twice on each use. for extra coins, The Battery The BatteryThe Battery Icon.pngActivated Items can be "overcharged" to allow for an additional use. for one extra charge, 9 Volt 9 VoltCollectible 9 Volt icon.pngReduces the charge of any Activated Items by 1. Any 1 charge items instead have timed recharges. for continuous recharges every 15 seconds, or with Habit HabitCollectible Habit Rebirth icon.pngWhen Isaac is hit, 1 point of an item's charge is filled. for a free recharge if Keeper gets hit.
  • Ventricle Razor Ventricle RazorCollectible Ventricle Razor Afterbirth icon.pngUnlimitedCan be used to place an orange portal and a blue portal. Upon entering a portal, Isaac is teleported to the other portal. allows the player to repeatedly enter and exit the boss room, granting multiple uses of items like the Wooden Nickel to help as the Keeper, provided a source of charges is available. Multiple pickups may also be dropped for use during the fight.
    • Holy Mantle Holy MantleCollectible Holy Mantle icon.pngAutomatically negates first taken damage in every room. can also be reset in this way, giving the player infinite attempts to kill Hush without taking any damage. This is especially useful as The Lost.
  • A Card Against Humanity works in the Hush room. This can be used to generate hearts and coins. HavingSack Head Sack HeadCollectible Sack Head icon.pngGreatly increases the chance to find sacks. or Petrified Poop Petrified PoopTrinket Petrified Poop icon.pngGreatly increases the chances of a pickup dropping when destroying poop. makes this strategy even more effective.
  • Regardless of Isaac's item combination, taking occasional breaks between firing at Hush is effective, as, during this period, Hush's damage resistance will decrease since he isn't taking any damage.
  • Added in Afterbirth †It is not recommended to haveBroken Modem Broken ModemCollectible Broken Modem icon.pngEnemies, enemy shots, tears, and pickups will briefly freeze in place at random intervals., as it will stop Hush's tears and close some escape routes, making it harder to dodge in some cases.
  • Added in Afterbirth †If the player can getMysterious Liquid Mysterious LiquidCollectible Mysterious Liquid icon.pngTears leave a small, short lasting pool of creep on impact or when their range is depleted. andTrisagion TrisagionCollectible Trisagion icon.pngTears are replaced with piercing white blasts of light. (and possible a high tear rate + slow-moving tears), the player can kill Hush extremely quickly due to the multiple tear creeps underneath him, which doesn't seem to trigger his resistances.
  • Added in Afterbirth †The Forgotten can swap characters into The Soul. By hiding behind the skeletal body, which attracts shots towards itself a short distance from itself, The Soul can avoid Hush's attacks.

Notes[edit | edit source]

  • Defeating Hush for the first time will spawn a Final Boss Chest. Moving into the chest will unlock Ending 17 and end the run.
  • Using the Emergency Contact on Hush's second form seems to lower its damage resistance by 50% for approximately 5 seconds.
  • Though it is possible to fight Hush in Challenges, doing so is not recommended. Even though it offers the chance for two or more new items, the fight is very difficult, and the player may lose more than what they have gained.

Trivia[edit | edit source]

  • In its first form (the replica of the ??? fight), "Ascension" plays while in its second form, the name of the boss theme is "Morituros".
    • Morituros in Latin is the accusative masculine plural for 'about to die', which roughly translates to "those who will die".
  • Hush is one of two bosses that have damage resistance, the other being Ultra Greed.
  • Hush is one of only two bosses in the game with a Boss Room scaled in a 2x2 fashion, the other being Delirium.
  • There is an unused file in the game named "boss_hush_skinless" which appears to be an unfinished spritesheet for a third form of Hush. It resembles a red, fleshy version of the head of The Forsaken. This was confirmed by Edmund to be "a red herring for dataminers."
  • Hush has the second-highest health of any boss in the game, with a total of 7666 health; only Delirium has more health. However, Hush has damage resistance while Delirium does not.
  • Hush shares his name with a level from Edmund's previous game Super Meat Boy.
  • Hush's boss room gradually becomes darker as Hush loses health.
  • According to Edmund on Twitter, Hush represents Isaac's imminent death slowly approaching towards him, which is the reason why Hush and ??? are the same thing, since ??? represents Isaac suffocating in the chest.
  • According to Edmund on Twitter, Hush is a giant ??? pushing from the other side.

Bugs[edit | edit source]

Bug Bug! Added in Afterbirth † If Delirious is used in phase 2 of the Hush fight and Delirium is killed, The Calm (music usually played after defeating a boss) will replace Morituros.
Bug Bug! Having the No Return seed enabled when going to Hush will result in no doors being available, softlocking the run.

Mom's Heart Unlocks Mom's Heart Unlocks Mom's Heart Unlocks
Added in Afterbirth †
A NooseA NooseDefeat Mom's Heart 3 timesA QuarterA QuarterDefeat Mom's Heart 8 timesA Fetus in a JarA Fetus in a JarDefeat Mom's Heart 9 times??????Defeat Mom's Heart 10 timesEverything Is Terrible!!!Everything Is Terrible!!!Defeat Mom's Heart 5 timesIt Lives!It Lives!Defeat Mom's Heart 11 timesWire Coat HangerWire Coat HangerDefeat Mom's Heart 4 timesIpecacIpecacDefeat Mom's Heart 6 timesExperimental TreatmentExperimental TreatmentDefeat Mom's Heart 7 timesRubber CementRubber CementDefeat Mom's Heart 2 timesDarkness FallsDarkness FallsDefeat Mom's Heart 11 timesSolar SystemSolar SystemDefeat Mom's Heart 3 timesSuicide KingSuicide KingDefeat Mom's Heart 11 timesDemo ManDemo ManDefeat Mom's Heart 9 timesLost BabyLost BabyDefeat Mom's Heart on hard mode as IsaacCute BabyCute BabyDefeat Mom's Heart on hard mode as MagdaleneCrow BabyCrow BabyDefeat Mom's Heart on hard mode as EveShadow BabyShadow BabyDefeat Mom's Heart on hard mode as JudasGlass BabyGlass BabyDefeat Mom's Heart on hard mode as CainWrapped BabyWrapped BabyRemoved in Afterbirth † Defeat Mom's Heart on hard mode as Azazel
Added in Afterbirth † Defeat Mom's Heart on hard mode as Lazarus
Begotten BabyBegotten BabyRemoved in Afterbirth † Defeat Mom's Heart on hard mode as Lazarus
Added in Afterbirth † Defeat Mom's Heart on hard mode as Azazel
Dead BabyDead BabyDefeat Mom's Heart on hard mode as ???-0- Baby-0- BabyDefeat Mom's Heart on hard mode as The LostGlitch BabyGlitch BabyDefeat Mom's Heart on hard mode as EdenFighting BabyFighting BabyDefeat Mom's Heart on hard mode as Samson
Goat Head BabyGoat Head BabyDefeat Mom's Heart on hard mode as LilithBlue WombBlue WombDefeat Mom's Heart 10 timesSuper Greed BabySuper Greed BabyDefeat Mom's Heart on hard mode as KeeperBlue BomberBlue BomberDestroy 10 tinted rocks and defeat Mom's Heart 11 times Pokey MansPokey MansDefeat Mom's Heart 11 timesSmelterSmelterDefeat Mom's Heart or It Lives! on hard mode as ApollyonBurning BasementBurning BasementDefeat Mom's Heart 11 timesMarrowMarrowDefeat Mom's Heart or It Lives! on hard mode as The Forgotten
Bosses Boss Monstro.png
Chapter 1
Stage The Basement icon.pngStage The Cellar icon.pngStage Burning Basement icon.png
Blighted OvumDingleThe Duke of FliesFamineFistulaGeminiGurglingsThe HauntLarry Jr.MonstroPinStevenWidowThe FallenThe Headless Horseman
DangleLittle HornRag ManTurdlings
Chapter 2
Stage The Caves icon.pngStage The Catacombs icon.pngStage Flooded Caves icon.png
Carrion QueenC.H.A.D.ChubDark OneGurdyGurdy Jr.The HollowThe HuskMega FattyMega MawPeepPestilencePolycephalusThe WretchedThe FallenThe Headless Horseman
The ForsakenThe FrailThe Stain
Added in Afterbirth † Big HornRag Mega
Chapter 3
Stage The Depths icon.pngStage Necropolis icon.pngStage Dank Depths icon.png
The AdversaryThe BloatThe CageThe GateGishLokiMask Of InfamyMonstro IIWarThe FallenThe Headless HorsemanMom
Added in Afterbirth † Sisters Vis
Chapter 4
Stage The Womb icon.pngStage Utero icon.pngStage Scarred Womb icon.png
BlastocystThe BloatConquestDaddy Long LegsDeathLokiiMama GurdyMr. FredScolexTeratomaTriachnidThe FallenThe Headless HorsemanMom's HeartIt Lives
Added in Afterbirth † Sisters VisThe Matriarch
Blue Womb
Chapter 5
Stage Sheol icon.pngStage Cathedral icon.png
Chapter 6
Stage Dark Room icon.pngStage The Chest icon.png
???The LambMega Satan
Added in Afterbirth † The Void
Stage The Void icon.png
Added in Afterbirth † Delirium
Greed Mode
Ultra Greed
Ultra Greed
Added in Afterbirth † Ultra Greedier
The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth
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[fr:Hush fr:Hush]