Geomantic Detector is a passive item in Reverie, a mod for The Binding of Isaac.

On pickup -3 luck.

While held +0.05 luck for every empty tile grid in the room.
+3 luck for every secret room adjacent to the current room.

Geomantic Detector can be found in the following item pools:

The following tags are applied to this item:

The following special synergies and interactions for Geomantic Detector have been documented.

* Note that not all possible synergies and interactions are listed here.

• Check out the item description on the mod's external Wiki.
• Download Reverie from the Steam Workshop.