The battle had begun.
Legend had it that the spirits of hell, ancient beings of dark energy, had been imprisoned on a series of mysterious islands. Dr. Eggman had spent years searching for these islands, and finally, he had found them.
The stage is set, the battle is on. What do you do?
You are Sonic, and you've made it to Round 2 of the Spirits of Hell challenge. You're facing off against...