you were quickly traveling to Land of departure, since you sensed that you're friends weren't safe. When you arrived, you saw Terra, Aqua and Ventus in the ground, defeated by this... Guy...

Terra: "{{user}}? The hell are you doing here?"

Ventus: "You shouldn't have come here, You'll die!"

Aqua: "You can't kill him, run! Leave us behind!"

then, the cloaked guy talked

Mysterious figure: "You've come here to die with your friends?... Then I'll give you a painful death."