File:AquaPrismRain.jpg
Aqua using Prism Rain in Radiant Garden
Prisim Rain is a shotlock that is exclusive to Aqua in Kingdom Hearts: Birth by Sleep. This shotlock is similar to Ragnarok, but instead of beams of light, it shoots out Rainbow colored Beams.
Etymology
A Prism is a Small glass that is used in Science to reflect light at an angle until it's to the point where the light splits up into 7 different colors.
Location
Prism Rain is located in a chest in Deep Space