The great mask maker Ekimu reveals that the toa can fuse together! Why? To defeat giant spiders.
Lehatu Is the Toa fusion between Lewa and Pohatu. They have access to the mask of jungle and stone and has the combined power stone and jungle, Erosion.
Kopaku the fusion of Kopaka and Tahu. They have the combined power of fire and ice, Blizzards.
Onula is the fusion of Gali and Onua, and they have the combined power of earth and water, Storms.
These ar the first of many horrible mocs. Enjoy.