Die Form

Sora can be transformed into a 6-sided dice, similar to his Card Form, during his fight with Luxord or when combating a Gambler and you fail its game. During this time, he hops around as a dice, and can only attack and move by rolling. You can even increase the damage of your attack in Dice Form when you jump unto enemies. His rolls do slight damage. During this time, the Drive bar is changed to a form bar and will count down to how long Sora has left as a dice. However, since the only way to move is to attack, and certain abilities force Sora to stay in a form until he finishes a combo, constantly trying to escape while losing track of the drive bar could cause Sora to stay in Dice Form for much longer than usual.

http://i531.photobucket.com/albums/dd356/blackbat102/deisora2.jpg
sora as a die