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So, anyway, if you're going to join the Water element, there are a few things you must know...

Water is in the air, all around us, whether as vapor, as water, or as ice. While the ice is uncontrollable, the vapor CAN be pulled for a SMALL amount of water. Notice that it is a GAS as a vapor, and there's all those other gases in the air, taking up space, and preventing it from coming together. It takes EFFORT and FOCUS to pull the SMALL amount of water from the air. Remember that.

And, so. Another thing: you CANNOT "make" water, or force it from your hands, or anything like that. You must "pull" or "call" or whatever you want to call it from a lake, river, puddle, a satchel you hold at your side, whatever. Just make sure there's a source, and you should be alright.

Which brings me to a subject I want to cover; although I don't see it much, you CANNOT "pull" water from your opponent's body! It's all combined with some other chemical, thus making it a compound, and outside of your control. So don't do it!

Alright. You CAN make your water fly at your opponent, bruise your opponent, but if you make it "thin," or whatever, it's still a liquid, and don't even try to say you can make it go fast enough to pierce flesh, because it'll just disperse as it hits your target, and making it go that fast would be godmodding, beyond what even a master can do. And if you don't like it, check out the sceince of hurricanes. Water flying at over 150 mph, and it still "pelts" people. So, get over it.

Speaking of hurricanes, NO, YOU CANNOT MAKE ONE. Even control of a cloud would take everything you have, because the cloud is miles away, and its still not even formed into individual dropplets (or it's ice or snow, which is Ice element's domain. It melts as it reaches the ground.)

Which brings me to my next point: rain. If it's currently raining around you, you CAN pull the water from droplets, and make a water ball, or whatever. BUT: ONLY water near you, and anything that falls on the ball, or whatever form you choose for holding your water.

Lastly: TSUNAMIS. IF there is a big enough body of water nearby, and you're NOT injured beyond something reasonable, then you may turn ALL your focus towards making the wave. You may NOT defend yourself (unless your threw yourself into a fetal position or something before you started the wave) while you're making the wave. The wave will probably wipe out your opponent, but leaving yourself open should make you reconsider before using a tsunami move.

And, I know I said lastly at the beginning of that last paragraph, but there's one more thing I wanted to say: water CAN AND WILL refract and alter light and energy movements. I'll leave what is defined as "energy" to you.

EDIT: One important thing I forgot to cover: breathing underwater. YES, you may. Why? How could it possibly help you? No one would dare fight you near an ocean, or a lake, and it's cool. Oh, and Thunder users would KILL you.