The sorcerer's oracle is a block of polished white material of unknown origin, possibly an unknown type of stone, with a shallow dish of smooth, fine glass set into the top. The glass has only the faintest tinge of green and does not have a single bubble of flaw. When activated it makes images appear above the bowl to answer questions asked of it.
"[she] placed her hands firmly on either side of the block, and stared intently down into the glass dish. ... 'Pau'ron ... yz'raksis nyuyz'r, lai brinan allasis!'"