Binding of Isaac: Rebirth Wiki
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Dark Matter is a passive item.

Effects[ | ]

  • +1 damage.
  • Adds a chance to shoot fear tears, causing enemies to run away from Isaac.

Notes[ | ]

  • Fear tear effect depends on the luck stat, and the formula used to determine the chance is:
    • At base luck (0), the chance is 33.33%, maxing out at 100% at 20 luck.
    • This makes Dark Matter significantly better at inflicting fear than Collectible Abaddon iconAbaddon or Collectible Mom's Perfume iconMom's Perfume.

Synergies[ | ]

Interactions[ | ]

  • (in Afterbirth † and Repentance)Collectible Haemolacria iconHaemolacria: Tear appearance stays the same; only the main tear can cause fear.
  • (in Afterbirth † and Repentance)Collectible Lachryphagy iconLachryphagy: If a fear tear is fed, all burst tears cause fear. If a normal tear is fed, the burst tears cannot cause fear.
  • Collectible The Ludovico Technique iconThe Ludovico Technique: Tear occasionally changes appearance to Dark Matter tears and causes fear.

In-game Footage[ | ]

Trivia[ | ]

  • This item is used in Darkness Falls (challenge #4).
  • Dark Matter is a hypothetical form of matter that is thought to account for over 80% of all the matter in the universe. In media, dark matter is often portrayed as an evil element or demonic power, which explains why this item is found in Devil Rooms.


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