Cracked Orb

Cracked Orb is a passive item added in The Binding of Isaac: Repentance.

Effects

 * Upon taking damage, activates the following effects:
 * Unlocks all doors in the room.
 * Reveals a random unmapped room on the floor.
 * Destroys all tinted rocks and rocks with Crawl Spaces in the room.

Synergies

 * / Shiny Rock / : Makes it extremely easy to destroy tinted rocks and enter Crawl Spaces.
 * : Essentially behaves like with extra effects, allowing to open the aforementioned doors without taking actual damage.