<Snipped quote by VitaVitaAR>
Ice, mist, more water, etc. etc.? XD
Pretty much this. It's very much an ability that is only limited in scope by imagination. I'm sure I can make it evolve to something spectacular.
There's also the possibility that instead of water his ability will be based on manipulating volume too which could have a lot of future applications.
Not so much this. It's going to be limited to water and water based things.
