The latest summer escapade finds Ryza and friends enjoying their peaceful lives on Kurken Island when they hear news that a mysterious group of islands have appeared in nearby waters. It turns out that these islands, known as Kark Isles, are having a negative effect on their homeland, so Ryza and her friends quickly set out to investigate. But when their investigation leads to an enormous gate deep within strange ruins, Ryza hears a haunting voice in her head that wants to lead her to the Code of the Universe. Who is talking to her and what lies beyond the gate? While uncovering the mysteries of Kark Isles, Ryza and her friends will explore four regions in a new open field all explorable with seamless transitions! As players travel through these beautiful and vast sprawling landscapes and vistas, they will find mysterious keys that will aid them on their adventure. There are various types of keys that can be found and created, useful for exploration, synthesis and battle. Each key has a different effect, so players will want to try experimenting with them as the keys to unlocking the islands secrets are now in your hands.