Sadalsuud is a passive item in Glacier's Laboratory, a mod for The Binding of Isaac.

Upon entering a new room, grants a stackable x0.02 multipler to , , , and for the remainder of the floor.

Entering a special room for the first time has a 50% chance to spawn a Red Key wisp.

Having at least 1 Red Key wisp will indicate walls that can create a Red Room with a red outline.

Isaac can use a Red Key wisp near the red outline to open a red room by pressing drop button.

Sadalsuud can be found in the following item pools:

The following tags are applied to this item:

• Download Glacier's Laboratory from the Steam Workshop.