In the swamp of Karda Nui, the Toa Nuva's weapons adapted to be Nynrah ghost blasters, capable of firing a burst of energy which could then be shaped and controlled by the mind of the Toa into any form. The Makuta in the swamp wielded the original ghost blasters, which the Makuta could use to take control of anything mechanical, including the body of a Toa, for a limited period of time.2