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 firing a salvo of rainbow-colored orbs at the targets.

Mechanics
In Kingdom Hearts Birth by Sleep, Prism Rain is a Shotlock that has a maximum level of 5 and max lock of 16. After the initial volley, the player can perform extra attacks by pressing in a timely manner to fire additional projectiles, based on the player's timing rating.

Kingdom Hearts Birth by Sleep

 * Aqua obtains Prism Rain from a chest in the Ship Hub.

Kingdom Hearts 0.2 Birth by Sleep -A Fragmentary Passage-
Aqua will begin the game with Prism Rain as her default Shotlock.

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 projectiles launched during the execution of Prism Rain.