Chroma Key

A cylinder-shaped object made of solid stone, varying with the region it is found in. Regardless of the variation, the object always has dimly-lit symbols on each side written in Icasohedran, a dead language. 

The following variations of this object have surfaced:

Location	Description
Daggerborne Ruins	The object was used in order to remove a magic wall, placed in a hallway to hinder further movement inside. It is not known whether this function was originally there or if it was altered to make it this way. As of Year 444, the object remains lodged in its walls.
Cassius Ashglade	It was carried with him while investigating the Wardens, it is said the object variation came from Avalon.