Glass Cannon

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Font TeamMeat G.pngFont TeamMeat l.pngFont TeamMeat a.pngFont TeamMeat s.pngFont TeamMeat s.png   Font TeamMeat C.pngFont TeamMeat a.pngFont TeamMeat n.pngFont TeamMeat n.pngFont TeamMeat o.pngFont TeamMeat n.png
Removed in Afterbirth †Item icon
Added in Afterbirth †Item icon
Item altar
 
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352
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4  seconds 4  seconds
 
Treasure Room Treasure Room
Greed mode only Treasure Room Treasure Room
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(page 3, column 7, row 6)
Added in  Afterbirth
Disambig.png This article is about the item. For the challenge, see Glass Cannon (Challenge).

Glass Cannon is an activated item added in Afterbirth.

Effect[edit | edit source]

  • Fires a single high-damage piercing tear which can travel over obstacles.
  • Sets the player's health to half a heart with each use (half a soul heart if these are present but there are no heart containers). This also removes any other soul or black hearts, but not eternal hearts.

Notes[edit | edit source]

  • The item recharges actively after use, similar to items like The Boomerang The BoomerangThe Boomerang Rebirth Icon.png4 secondsThrows a short-range boomerang which does a bit of damage and has a high chance to stun the enemy for 2 seconds. Can also be used to grab pickups., allowing repeated usage within the same room.
  • Shooting the Glass Cannon gives a slight knock-back effect to Isaac, which can be dangerous in rooms with obstacles like spikes or fireplaces.
  • The Lost can use this item safely, as it will not affect his Health.

Synergies[edit | edit source]

  • Chocolate Milk Chocolate MilkChocolate Milk Icon.pngGrants charged tears that deal greater damage when fully charged.: The current charge of Chocolate Milk affects Glass Cannon.
  • Added in Afterbirth †Compound Fracture Compound FractureCompound Fracture Icon.pngIncreases range. Tears turn into bones, which shatter into 1-3 bone shards upon hitting an enemy or obstacle./Cricket's Body Cricket's BodyCricket's Body Icon.pngGrants -1 Tear Delay and reduces Range. When tears hit an object or deplete their range, they spawn 4 smaller tears, whose Range and Damage scale with Isaac's./The Parasite The ParasiteThe Parasite Icon.pngIsaac's tears split in two when they hit something.: Tears fired by Glass Cannon will split.
  • Godhead GodheadGodhead Icon.pngIncreases damage and range while reducing tears and shot speed. Grants homing tears and tears gain a damaging halo.: Creates a giant aura around Glass Cannon tears that almost fills up normal sized rooms.
  • Added in Afterbirth †Lachryphagy LachryphagyLachryphagy Icon.pngIsaac's tears decelerate as they travel. Upon stopping or hitting an obstacle, they burst into 8 tears in all directions. Tears can be fired into other tears to feed them, increasing their damage.: Glass Cannon will fire giant Lachryphagy tears. Tears are harder to feed as they will burst very quickly but they can be fed if you fire tears beforehand and then fire Glass Cannon into those tears.
  • Mysterious Liquid Mysterious LiquidMysterious Liquid Icon.pngTears leave a small, short lasting pool of creep on impact or when their range is depleted.: Creates a large pool of creep when tears land.
  • Tiny Planet Tiny PlanetTiny Planet Icon.pngRange up and makes shot tears revolve around Isaac until they drop.: Tears produced by Glass Cannon will orbit Isaac.

Interactions[edit | edit source]

  • 9 Volt 9 Volt9 Volt Icon.pngReduces the charge of any Activated Items by 1. Any 1 charge items instead have timed recharges.: No effect.
    • Added in Afterbirth †: Reduces charge time to 2 seconds.
  • 20/20 20/2020 20 Rebirth Icon.pngGrants double shot./The Inner Eye The Inner EyeThe Inner Eye Icon.pngGrants triple shot but decreases tears./Mutant Spider Mutant SpiderMutant Spider Icon.pngGrants quadruple shot but decreases tears.: Only fires one tear.
  • Anti-Gravity Anti-GravityAnti-Gravity Icon.png-2 Tear Delay. Tears float in position until firing ceases, after which they will fly off in the direction they were shot in.: Tears produced by Glass Cannon do not have the Anti-Gravity effect.
  • Brimstone BrimstoneBrimstone Rebirth Icon.pngTears are replaced by a laser beam that pierces through all enemies and obstacles in its path and deals high damage. Can only be fired after a short charge-up period.: Glass Cannon fires a normal tear.
  • Car Battery Car BatteryCar Battery Icon.pngCauses Isaac's activated item to activate twice on each use.: No effect.
  • Dr. Fetus Dr. FetusDr. Fetus Icon.pngTears are replaced by bombs that benefit from bomb-enhancing effects and slide for a fixed time after being fired.: Glass Cannon fires a normal tear.
  • Epic Fetus Epic FetusEpic Fetus Icon.pngIsaac's tears are replaced with guided missiles, like those used by the Doctor's Remote.: Glass Cannon fires a normal tear.
  • Holy Mantle Holy MantleHoly Mantle Icon.pngAutomatically negates first taken damage in every room.: Doesn't prevent damage done by Glass Cannon but will protect against other types of damage.
  • The Ludovico Technique The Ludovico TechniqueThe 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.: Glass Cannon fires a normal non-controllable tear.
  • Marked MarkedMarked 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.: Has no effect on Glass Cannon.
  • Mom's Knife Mom's KnifeMom's Knife Rebirth Icon.pngIsaac's tears are replaced by a knife that pierces enemies, can travel through obstacles, and can hurt enemies while Isaac is holding it. Holding down the fire button before firing increases its range and power.: Glass Cannon fires a normal tear.
  • Monstro's Lung Monstro's LungMonstro's Lung Icon.pngIncreases damage and grants a charged shot that fires multiple tears in the same fashion as Monstro.: Glass Cannon only fires a single tear.
  • Soy Milk Soy MilkSoy Milk Icon.pngTears shrink and do much less damage, but fire in very rapid succession.: Reduces damage of shots, no effect on charge time.
  • Technology TechnologyTechnology Icon.pngReplaces tears with a piercing laser with unlimited range.: Glass Cannon fires a normal tear.
  • Tech X Tech XTech X Icon.pngTears are replaced with laser rings that pierce through enemies and deal damage to enemies within them. Can be charged to increase the size of the ring.: Glass Cannon fires a normal tear.
  • Added in Afterbirth †Trisagion TrisagionTrisagion Icon.pngTears are replaced with piercing white blasts of light.: Fires normal Trisagion beams that do not have increased damage.

In-game Footage[edit | edit source]

Trivia[edit | edit source]

  • Glass Cannon is a term used in video games for a character or entity that deals high amounts of damage but has very low defense.
  • Originally, Glass Cannon would only reduce red hearts, so if Isaac had a large number of soul/black hearts, the item would essentially be free damage. The item would later be patched to also remove other types of health as well, making it a lot more situational.

Bugs[edit | edit source]

Bug Bug! Glass Cannon can be used to steal Devil Room items by using it to set your health to Removed in Afterbirth † half of a soul heart or Added in Afterbirth † no health at all before you die. In the latter case, picking up any item that isn't a health up will kill Isaac.

Seeds[edit | edit source]

 PC  9BJ3 WWHL (First floor treasure room, north of spawn)

 Switch  Greedier mode only JAWB DBJ6 (First Golden Treasure Room)

 PS4  MAYW FFY4 (First treasure room, west of spawn)


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