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Bony Knife item
Bony Knife is an active item in Benighted Soul, a mod for The Binding of Isaac.
Description
x0.75 damage multipler for the current room.
Grants Mom's Knife for the current room.
Transformations
Item pools
Bony Knife can be found in the following item pools:
| Name | Weight |
|---|---|
| Treasure Room |
0.5/1.0
|
| Greed Treasure Room |
0.5/1.0
|
| Devil Room |
1.0/1.0
|
| Greed Devil Room |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| offensive | Can appear for  Tainted Lost. |
| dead | Contributes towards unlocking  The Parasite. |
| mom | Contributes towards the Yes Mother? transformation. |
Special synergies
The following special synergies and interactions for Bony Knife have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Book of Virtues | Spawns an inner wisp that does not shoot but triggers this item when killed. |
| --- | The Book of Belial combined with Judas' Birthright | In the current room, gains  Fire Mind effect. |
* Note that not all possible synergies and interactions are listed here.
External links
- Download Benighted Soul from the Steam Workshop.
The Reserved Nail 
Super B 
Dreggy Pie 
Circumcision 
Cursed Heart 
Re-death