subway sonic Running adventure

after the combat between the legend sonic and the dark knight . sonic can finally recovery the scabbard .and help the city from the power of immortality scabbard bestowed.
but the dark knight don't wanna return to a wise and just ruler men. he liked be a king immortal and summoning , and make his kingdom into a world of horror AMD chaos .
so the dark king decided to kidnap sonic 's best friend Malina the wizard and fore him to to give him scabbard to get back his dark power.
but sonic does not want to accept the deal ,he would hurt many people if he choose to give scabbard to dark knight. that is why he will take the risk to save Malina .