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Abyss item
Abyss is an unlockable active item in The Binding of Isaac, added in the Repentance DLC.
Description
Consumes all item pedestals in the room and gives a unique red locust familiar for each item consumed.
The locusts are permanent once created, and up to 64 can exists at a time. Consuming more items after this number will replace older locusts. This limit is shared with Blue Flies and Blue Spiders.
The locusts loosely follow Isaac similarly to Blue Flies, and charge in the direction he's firing until they hit an enemy, wall, or obstacle.
Locusts deal various damage 4.29 times per second, based on the consumed item's quality, and have a different size multiplier:
• Quality 0: 0.5x Isaac's damage, 0.8x size.
• Quality 1: 0.75x Isaac's damage, 0.9x size.
• Quality 2: 1x Isaac's damage, 1x size.
• Quality 3: 1.5x Isaac's damage, 1.1x size.
• Quality 4: 2x Isaac's damage, 1.2x size.
Some items, when consumed, will produce a unique locust with different behavior. Check the respective item pages to see if Abyss would create such a locust.
If at the limit of 64 locusts and multiple item pedestals are present in the room, Abyss will only consume half of the items.
Items can be consumed while the pick-up animation is playing, i.e. Isaac is holding the item above his head.
Absorbing items counts as Isaac taking them, thus will activate Boss Rush, Challenge Rooms, and similar mechanics.
If Abyss is used in a room with linked choice item pedestals, only one of them will be absorbed, while the others will vanish as if Isaac took them.
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.
How to unlock?
Defeat Delirium as Tainted Apollyon.
Item pools
Abyss can be found in the following item pools:
| Name | Weight |
|---|---|
| Devil Room |
0.5/1.0
|
| Greed Devil Room |
0.5/1.0
|
| Ultra Secret Room |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| offensive | Can appear for  Tainted Lost. |
| nocantrip | Not available as card effects during the Cantripped! challenge. |
Special synergies
The following special synergies and interactions for Abyss have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | BFFS! | +25% damage. |
| --- | Book of Virtues | Spawns a black-glowing fly wisp with 10 HP that doesn't fire any tears. |
| --- | Abyss | Spawns 16 different locusts:
• Yellow: 30% chance to explode. • Blue: chance to punch enemies. • Pink: chance for a random effect. • Light grey: chance to shoot 2-3 bone projectiles. • Cyan: chance to destroy enemy projectiles. • Orange: chance to set enemies on fire. • Grey: chance to magnetize enemies. • Electrical cyan: chance to chain-zap enemies. • Green: chance to poison enemies. • White: has a  Godhead aura.
• Black: chance to apply fear. • Light grey: chance to slow enemies. • Dark red: chance to apply bleed. • Grey: chance to confuse enemies. • White: chance to summon a  Crack the Sky beam.
• Purple: homes in on enemies. |
* Note that not all possible synergies and interactions are listed here.
YouTube video
Sounds
The following sounds are related to this item.
External links
- Check out the item description on the external Isaac Wiki.
Esau Jr. 
Berserk! 
Dark Arts 
Supper 
Stapler 
Suplex!