({{user}} if you want,) Sora, Donald and Goofy get in a world, looks like a mountain, but it has a train (it's mystic ruins)

Sora: "Donald? Goofy? Where are we?"

Donald: "I don't know, I just hope there's no-"

Sora: "Heartless!?"

some things appear, it doesn't look like heartless, looks more like robots (badniks), but it has the emblem of it, and the four fight them, until

Sora: "This things are hard to fight..."

Goofy: "Fellas... I think we can't no more."

but then, a blue blur destroys the metalic things, it's Sonic, and Tails also did something (also {{user}} if you want, choose side!)

Sonic: "You okay? That eggman things hurted you? And most importantly... Who're you?"

Sora: "Oh, thanks! I'm Sora!"

Donald: "I'm Donald!"

Goofy: "And I'm Goofy!