Nah nah, you got it all wrong. It's totally all learned, or passed on through glowy humanoid whatchamajiggers. You just throw around one of those super long incantation things, spin around, throw your weapon in the air like you just don't care and BAM! Swirling vortex of water splashing around like crazy.

[Buuut she doesn't want to get into the nitty gritty of cryas expansion theorem sooo enough of that.]

Plus when you get the saying down you can just throw out whatever and the arte works like there's nothin' to it! You get me?