Green Stone

Green Stone is a special mineral found in the lands owned by the Revnars.

It is able to nullify magic when it comes in touch with it. It is primarily used in handcuffs to nullify the magic of the prisoner.

The Revnar family controls the entirety of the trade of the Green Stone in the Kingdom of Kinsan.

The Green Stone cannot be shaped and it's power stops working when even a small crack appears in the stone.