Double sequel time! Sonic and his friends just made it back to Mobius and find out Scourge has taken over. Not only that, but Glimpse's evil double, Xero, is free and looking for the God power he and Glimpse lost. Look out Sonic, it's evil doppelganger trouble for you!

What would you do if you were forced to fight in a battle that you didn't believe in? What would you do if you had no memories of your past? Would you fight then? Or will you let the sorrow of it consume you? What if you saw this happening to someone else? Will you stand by and watch? Or will you offer them your help and get back their memories? Welcome to the tournament fresh meat

The sequel to Chaos to Harmony at Sonic Speed. I suck at summaries so lets just get to the good stuff. You'll like it or you won't.