waterbending

Water bending is the same as you would assume. The different effects are listed and shalt be changed.

lvl 1 overall: 1 d8 water damage

lvl 2: water armor blocks 3d4 then breaks.

lvl 4 overall you have different options of how the use will be. 

water dagger: 2d6 water dmg

water snipe: 1d8 water dmg

water shield: blocks 3d6 water dmg

lvl 6 it can be used to charm water based creatures. Chr roll

lvl 7 blood bending takes effect. at any moment you can stop a creature in its tracks

When combined with water freezing it adds an extra d8 of the effect

at lvl 8 overall you can manipulate bones and other body parts into breaking.  

lvl 10 you can dismantle the cellular structure. insta death to everything used once every long rest.