8591 Vorahk is a BIONICLERahkshi set released in 2003. Stealthy and ruthless in equal measure, Vorahk use their Staffs of Hunger to suck the strength away from their enemies, and use it for themselves. It is this method of draining that makes them as fierce as they are. They are also the greatest hunters of the Rahkshi. It has 45 pieces.
From the exciting new direct-to-video movie BIONICLE: The Mask of Light, here come the Toa Nuva's greatest foes: the Rahkshi. These "sons of Makuta" have been unleashed on the island to find the Mask of Light and stop the coming of the Seventh Toa!
Vorahk's staff can drain the energy of any foe -- and add it to the might of this Rahkshi! Not even the powerful Onua Nuva can stand against him. Will the day of the Seventh Toa end before it has even begun?
Turning the gear on his back will cause his arms to swing left and right.