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Neptunus item
Neptunus is a passive item in The Binding of Isaac, added in the Repentance DLC.
Description
While not firing tears, Isaac charges a special attack that fires multiple tears in rapid succession.
The charge time and maximum tears per charge scales with Isaac's tears stat.
Has no effect on Isaac's tear rate when not charging.
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
Neptunus can be found in the following item pools:
| Name | Weight |
|---|---|
| Planetarium |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| summonable | Can be summoned via  Lemegeton. |
| offensive | Can appear for  Tainted Lost. |
| stars | Contributes towards unlocking Planetariums. |
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.
Neptunus
• Grants a rapid-fire burst of tears that charges up when not firing
• The burst depletes while firing, lasting for up to 3 seconds
• Abyss: x1 locust 1.5x Isaac's damage
External links
- Check out the item description on the external Isaac Wiki.
Jupiter 
Saturnus 
Uranus 
Pluto 
Voodoo Head 
Eye Drops