Kingdom Hearts: Missing Link - Light’s Order Keyblade Gameplay (Ranged Keyblade)
Gameplay of the Light’s Order Keyblade.
This video also shows a method of farming Keyblade materials quickly using Gold Popcats. They drop 10x the amount of Keyblade materials that normal enemies do. Metal Popcat’s are the same except they drop Piece fragments instead.
Along with that, there’s an item called Enemy’s Call+ that allows you to heal and recover MP after each battle which works even if you give up straight away (it does not cost AP to do this).