Bony Knife - The Binding of Isaac

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Bony Knife is an active item in Benighted Soul, a mod for The Binding of Isaac.

x0.75 damage multipler for the current room.

Grants Mom's Knife for the current room.

This item contributes towards the Yes Mother? transformation. Collecting 3 items from this set will give Isaac a stationary knife that trails behind him and deals 2x contact damage.

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

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.

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.