Sonic's Space-Time Adventure

AU: *Sequel to Sonic and the Power of the Wisps*: What started as the best birthday Sonic ever hard with his friends soon turns sour when an unusual monster drags all of them into a place where Space and Time stand still. Now he must go on a journey with old and new friends to find answers and save not just Mobius, but all existence as well from the monster and a new evil enemy.