Amber Blade

Amber Blades are kyparite weapons used by the Shek'zeer. They are some of the finest blades in the mantid empire, carried with pride by their bearers.

Source
This item drops from the Shek'zeer Bladesworn in the Dread Wastes.

As a quest objective
Ambersmith Zikk requires six such Amber Arms to restock his reserves.