Dark One
Dark One Portrait
Character Information
Character Type Boss
Floors of


The Caves
The Catacombs
Base Health
Heart flash
Items Dropped Boss Pool

Dark One is an enemy in The Binding of Isaac: Rebirth that is present as a Boss on The Caves and The Catacombs Floors.


During the battle, Dark One will perform on of many attacks. The attacks Dark One can perform are as follows:

  • Dark One will darken the room and charge across the screen multiple times, slowly moving towards Isaac.
  • Dark One will fire a brimstone-laser directly down if Isaac is in that area.
  • Dark One will fire tears in an asterisk pattern.
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