Sonic: Dark Abyss

Carnage, a guardian who was once banished, was accidentally released thanks to a scientist named Eggman. At first, Eggman wanted Carnage to defeat Sonic, but Carnage decides to betray him and goes on rampage mode on a new island named Mythical Island. What is Mythical Island? It's an island that is filled with mystery. Legend has it that the island flows through the wind, and disappears after a m...