Falling into Darkness - Sonadow

Sonic had finally snapped, he was so stick and tired of being treated like a prize of some sort, he has been saving Mobians, protecting his friends, and he practically got nothing in return, Dark had managed to take half control of Sonic causing Sonic's thoughts to go towards darkness...Tails is scared and depressed, Amy is scared, Knuckles doesn't want it to be true, Cream is worried and scared, Vanilla is more protective of Cream, Rouge is in shock, Silver is also in shock and fear, Mephiles is protective of Silver and is willing to sacrifice himself to protect him (Yes in this story Mephiles is dating Silver), Blaze is like Knuckles; not wanting to believe it, and Shadow? inside he his heartbroken but will never show it Infront of anyone, will they figure out what's happening? or will everything Sonic and his friends worked hard to protect be destroyed?