Voya Nui is an island that broke off from a bigger island. A much bigger island. Then, another piece broke off of Voya Nui. It's like if you cut a piece off a cake, and then cut another piece off that piece, and threw it in water. Voya Nui look's like a cookie with a piece bitten off of it. It was attacked by big similing dudes who liked Big Shiny Masks.