Abacus is a passive item in Haemo's Gizmos, a mod for The Binding of Isaac.
×0.66 damage.
Isaac fires an increasing amount of tears at once, resetting back to 1 after reaching 10.
Decreases the fire rate multiplier depending on how many tears Isaac will fire next, from ×1.0 to ×0.33.
Abacus 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
|
The following tags are applied to this item:
| Id | Description |
|---|---|
| offensive | Can appear for Tainted Lost. |
| summonable | Can be summoned via Lemegeton. |
The following special synergies and interactions for Abacus have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | 20/20 | Isaac fires from 2 to 20 tears at once. |
| --- | The Wiz | Isaac fires from 2 to 20 tears at once. |
| --- | The Inner Eye | Isaac fires from 3 to 30 tears at once. |
| --- | Mutant Spider | Isaac fires from 4 to 40 tears at once. |
* Note that not all possible synergies and interactions are listed here.