▾Table of Contents▾
Glass Cannon item
Glass Cannon is an active item in The Binding of Isaac, added in the Afterbirth DLC.
Description
On useFires a single high-damage piercing and spectral tear, and knocks back Isaac a bit.
The damage dealt by the tear is equal to (10 * Isaac's damage) + 10.
While heldUpon taking damage, the item transforms into the Broken Glass Cannon, and damages Isaac for an additional 2 full hearts.
When this happens, Isaac gains +1.5 range and leaves a trail of red creep for the rest of the current room.
The damage dealt by Glass Cannon cannot kill Isaac, but will leave him on half a red heart.
The Cannon won't break from self-sacrifice mechanics such as the 
Blood Donation Machine.
Note
This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this item for the previous Repentance version, check this page instead.
Item pools
Glass Cannon can be found in the following item pools:
| Name | Weight |
|---|---|
| Treasure Room |
1.0/1.0
|
| Greed Treasure Room |
1.0/1.0
|
| Crane Game |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| offensive | Can appear for  Tainted Lost. |
Special synergies
The following special synergies and interactions for Glass Cannon have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Book of Virtues | Spawns white wisps in the middle ring that shatter in one hit. Their tears deal 8 damage, but all Glass Cannon wisps are destroyed if one of them dies. |
| --- | The Book of Belial combined with Judas' Birthright | +2.67 damage while the Glass Cannon is broken. |
* Note that not all possible synergies and interactions are listed here.
Internal item description
Below is the Internal Item Description as shown in-game.
Note that some stat changes are not displayed here. Please see the main description for the full effects.
Glass Cannon
• Launches 1 large, high-damage spectral tear
• Taking damage while holding this item breaks it, dealing 2 full hearts of damage to Isaac and granting the Anemic effect for the current room
• Fully recharging the Broken Glass Cannon restores it to its usable state
• Abyss: x1 critical locust .75x Isaac's damage
• Book of Virtues: x1 middle wisp - .5 hp - 8 damage
• Book of Virtues: All Glass Cannon wisps die when 1 is killed
External links
- Check out the item description on the external Isaac Wiki.
Wooden Nickel 
Toxic Shock 
Mega Bean 
Bomber Boy 
Crack Jacks 
Mom's Pearls