Prism Rain

Prism Rain (レインボウシャワー) is a technique exclusive to Aqua in Kingdom Hearts Birth by Sleep. The attack consists of fireing a salvo of rainbow-colored orbs at the targets.

Mechanics
In Kingdom Hearts Birth by Sleep, Prisim Rain is a Shotlock. After the initial volley, the player can perform extra attacks by pressing in a timely manner to fire additional projectiles (based on your timing rating).

Kingdom Hearts Birth by Sleep

 * Aqua can obtain Prisim Rain from a chest at the Deep Space's Ship Hub.

Etymology
A prism is a small glass that is used to refract light into its seven component colors. The component colors of light match the colors of the Prism Rain bursts.