Broken Glass Cannon is an active item in The Binding of Isaac, added in the Afterbirth+ DLC.
This item is acquired when Isaac takes damage while holding Glass Cannon.
It begins with no charges, and turns into the Glass Cannon when fully charged.
For more details about the charged item, please check the Glass Cannon page.
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.