The Black Box is a familiar in Glacier's Laboratory, a mod for The Binding of Isaac.
Cannot appear naturally. Only appears by either using Pandora's Box during Ascent, or spawned by the effect of Para-box.
While heldSpawns a black box sword, which blocks projectiles, destroys obstacles, applies permanent Brimstone Curse and deals CurrentStage + DamageStat Brimstone damage every tick to enemies on contact.
The sword can be summoned and orbit Isaac by holding fire button, and can be thrown by releasing the button.
While orbiting, for every second passed, the sword fires 3 piercing and spectral red aura toward enemies. Each aura can is bigger and slower than the last, blocks enemy projectiles, and deals 2/4/6 Brimstone damage respectively in the course of 5 ticks.
When thrown, the sword ricochets around the room and moves at high speed.
The following tags are applied to this item:
| Id | Description |
|---|---|
| offensive | Can appear for Tainted Lost. |
| noeden | Unavailable as starting items for Eden and Tainted Eden. |
| nocantrip | Not available as card effects during the Cantripped! challenge. |
| nochallenge | Unavailable during challenges. |
| uniquefamiliar | Cannot be duplicated via Box of Friends. |
| hidden | Cannot be obtained naturally. |