Their Birth by Sleep

This game was one of the few reasons I became a Keyblade designing maniac.
So no harm in designing some custom ones that are tailored to the trio's strengths, right? 

Terra - Dark Desires fav.me/damp7tu
Ventus - Easy Breeze fav.me/dam2mxf
Aqua - Clean Cerulean fav.me/damw4p7

Kingdom Hearts belongs to Tetsuya Nomura,a joint franchise between Disney and Square-Enix.
Keyblades were designed by yours truly.