use memory shard blue
you have to beat the train staion level either sonic or silver.
Yes, but with the help of Shadow and Silver. Sonic and they turned super and kicked Mephiles's butt! Not literally though. Mephiles didn't actually die, he just stopped existing. By the way, Sonic characters are more likely to punch. sonic, Shadow and Silver just beat him up.
With silver, pick up everything and chuck it at shadow.
Shadow - Beat Heroes story
you have to beat the story of sonic, tails or knuckles.
Yes once you beat the level Shadow's story is unlocked.
To beat Shadow using Silver, use Silver's telekinetic powers to throw objects and deal damage to Shadow.
For The Last Boss For The Last Episode. (Beat Sonic, Shadow, And Silver's Episodes)
To unlock that difficulty you must beat the game with every character (sonic, shadow, silver.)
Complete the Heroes Story (beat Jet The Hawk in Sand Ruins).
Just beat story mode with both the heroes and Babylon rouges.
Kill the Giant Monsters until you can use Chaos Boost. Use it, Mephilles will appear. Use homing attack on him. Repeat until dead. Multiple chain homing attacks may have to be used if he summons clones in a chain.