Tokreon
A light blue ore found in the Underdark that has magical properties, primariliy used by the Drow to power their war machines and mechanical devices.
While naturally found in ore, the material must be separated from the metallic elements, resulting in a blue powder being left over. The material seems to work much better when converted into a paste however the exact methods and ingredients used are unknown.
The Gnomes have recently discovered this material using their own technology to travel miles beneath the surface for mining operations. They have named it Karas.
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