This is my entry for the 2018 Bio-Cup. It features Onua and Tahu in a duel of elements, including a stone hand and a fire phoenix.
I had originally been working on these two Toa designs, which I'm really happy with, but alone I didn't think they would fit the theme of "Elements." But then I thought it might be neat to actually build their elemental attacks and try to put together a scene. I hope the concept here is clear enough.