Project 121

Once their was a time of great devastation.. A doctor going completely mad over the death of his closest friend and wife, he spent a year on one project to put his mind at ease to replace both his losses, only more powerful.. Which became a big mistake for the lab.. 48 years later..The Sonic Heroes have not heard from Eggman for months now, and so they build up a meeting to find out what evil schemes he's up to this time. Once they come, a mysterious figure had stopped them all in their tracks, fighting them with their own abilities..who is this person? Why are they helping Eggman? Can they stop them? As for their trusty friend Tails, he hacks into Eggman's computer and found something more extreme and shocking then just blueprints of robots... But a files of two of one of the most powerful creations ever to exist..Project Shadow... And Project 121...