Glass Cannon

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Glass   Cannon
Removed in Afterbirth †Item icon
Added in Afterbirth † / Removed in RepentanceItem icon
Added in RepentanceItem icon
Item altar
"Be gentle..."
Table dividing line 1.png
Item ID
Table dividing line 2.png
Recharge Time
4 seconds 4 seconds
Table dividing line 3.png
Collection Grid
Removed in Repentance(page 3, column 7, row 6)
Added in Repentance(page 3, column 8, 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 The Binding of Isaac: Afterbirth.

Effects[edit | edit source]

  • Fires a single high-damage piercing tear which can travel over obstacles.
    • The damage dealt by this tear is ten times Isaac's damage, plus a flat 10 damage.
    • The shot has an additional 1.5x size multiplier on top of damage-increased size.
  • Removed in Repentance Sets Isaac's health to half a heart with each use (half a Soul Heart if these are present but there are no Red Heart containers). This also removes any other Soul or Black Hearts, but not Eternal Hearts.
    • Added in Afterbirth † / Removed in Repentance If Isaac has no Red Hearts and at least one Bone Heart, only an empty Bone Heart remains.
  • Added in Repentance Upon taking damage, this item turns into the Added in Repentance15►Broken Glass Cannon Broken Glass Cannon and gain 1.5 range. That damage dealt to Isaac is increased by two hearts, and he begins trailing damaging blood creep identical to that created by 15►Anemic Anemic for the duration of the current room.
    • If the amount of damage would result in his death, he will remain a half heart.

Notes[edit | edit source]

  • The item recharges actively after use, similar to items like 15►The Boomerang The Boomerang, allowing repeated usage within the same room.
  • Shooting the Glass Cannon gives a slight knockback effect to Isaac, which can be dangerous in rooms with obstacles like spikes or Fire Places.
  • The Lost The Lost and Tainted Lost Tainted Lost can use this item safely, as it will not affect his health.

Synergies[edit | edit source]

  • 15►Chocolate Milk Chocolate Milk: The current charge of Chocolate Milk affects Glass Cannon.
  • Added in Afterbirth †15►Compound Fracture Compound Fracture/15►Cricket's Body Cricket's Body/15►The Parasite The Parasite: Tears fired by Glass Cannon will split.
  • 15►Godhead Godhead: Creates a giant aura around Glass Cannon tears that almost fills up normal sized rooms.
  • Added in Afterbirth †15►Lachryphagy Lachryphagy: 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.
  • 15►Mysterious Liquid Mysterious Liquid: Creates a large pool of creep when tears land.
  • 15►Tiny Planet Tiny Planet: Tears produced by Glass Cannon will orbit Isaac.

Interactions[edit | edit source]

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.

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)

Bugs[edit | edit source]

Bug Bug! Removed in Repentance 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 upgrade will kill Isaac.

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