Brimstone is a passive item in The Binding of Isaac.

×0.33 fire rate multiplier.

Replaces Isaac's tears with a laser beam that must be charged.

The beam pierces through enemies and obstacles and has infinite range.

The beam deals damage equal to Isaac's damage each tick. Each shot deals damage for 9 ticks, resulting in a total of 9x Isaac's damage in about ~0.63 seconds.

Starting from 15 fire rate, the beam can last indefinitely as long as a fire button is held. Higher fire rates will result in higher damage per tick and a larger scale.

Acquiring a second copy of Brimstone grants ×1.2 damage multiplier and +1 damage. The width of the laser is doubled as well.

Any additional copies only grant +1 damage.

This page shows information as of the latest Repentance release.
To see latest up-to date information about this item for the new Repentance+ (Online Co-op) DLC, check this page instead.

This item contributes towards the Leviathan transformation. Collecting 3 items from this set will grant Isaac flight and +2 Black Hearts.

Brimstone can be found in the following item pools:

The following tags are applied to this item:

The following special synergies and interactions for Brimstone have been documented.

* Note that not all possible synergies and interactions are listed here.

• Check out the item description on the external Isaac Wiki.