These are Magitech staffs which combines both advanced technology with powerful magic. these are usually used by Tactical White & Black Mages. The staffs are design to greatly enhance a Tactical Mage's magic, more powerful then normal. But most of these staffs are equipped with a limiter to prevent overloading the magitech device and draining to much MP from the user. These are made by the Pendragon Industries. One of the second largest corporation on Elysium.
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Weapon Concept Art: Magitech Staffs (Part II): [link]