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Sealed Katana item
Sealed Katana is an active item in Glacier's Laboratory, a mod for The Binding of Isaac.
Description
Cannot appear naturally. Can only be spawned by defeating a boss at close range in Boss Room while holding Titanium Jaw.
While heldSpawn a sheathed katana while held.
The katana slowly swings in the direction Isaac is firing, knocking back enemies and has a 20% chance to inflict Paralysis that lasts for 4 seconds.
Paralysis reduces enemy's speed by 80% and making it unable to deal contact damage.
On useDoes nothing in most cases.
When used after defeating Mom's Heart or It Lives, the seal will be removed, turning this item into Murasama. The seal can also be removed if Isaac is inside a floor after chapter 4.
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| noeden | Unavailable as starting items for  Eden and  Tainted Eden. |
| nocantrip | Not available as card effects during the Cantripped! challenge. |
| nochallenge | Unavailable during challenges. |
| hidden | Cannot be obtained naturally. |
Special synergies
The following special synergies and interactions for Sealed Katana have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Book of Virtues |
Spawns 8  Vengeful Spirit wisps.
|
| --- | The Book of Belial combined with Judas' Birthright | Massively increases damage for current floor. |
* Note that not all possible synergies and interactions are listed here.
External links
- Download Glacier's Laboratory from the Steam Workshop.
Copycac 
Red Spade 
Cardboard Squire 
Murasama 
Tachyon 
Key of Oblivion