Counter Rush

Counter Rush (リベンジラッシュ) is a technique that appears in Kingdom Hearts Birth by Sleep and Kingdom Hearts 3D: Dream Drop Distance. It allows the user to unleash a flurry of blows after a successful block.

Mechanics
In Kingdom Hearts Birth by Sleep, Counter Rush is a exclusive to Ventus that must be installed under a Block-type. It is triggered by pressing, in Japanese releases, when prompted after a successful block. It has a maximum level of 4 and fills the Command Gauge by 40%.

In Kingdom Hearts 3D: Dream Drop Distance, Counter Rush is a exclusive to Sora that must be installed under a Block-type. It is triggered by pressing when prompted after a successful block. Counter Rush grants +1 to both Strength and Defense when attached to a Dream Eater recipe.

Kingdom Hearts Birth by Sleep

 * Ventus can obtain Counter Rush from a chest at the Fountain Court.
 * Ventus can purchase Counter Rush from the Command Shop for 1200 munny once six worlds have been cleared or the command has already been obtained elsewhere.

Kingdom Hearts 3D: Dream Drop Distance

 * Sora obtains Counter Rush after joining up with Quorra in The Grid.