Due to being a fish,  Wushu needs to be able to surround himself with water in order to breathe. He is able to sustain a small spherical or above water around him.  In order to use any of his abilities he sacrifices a small amount of water that he surrounds himself with in order to use any attack. The amount of water that he is able to sustain around him is his owner's level x 3. And is able to refill it by using an action and ending its turn next to a water source.

Multiattack. Wushu makes 2 bubble attacks.

Big Bubble Shot: Range  30/ 60 ft, +6, on hit Generating some of the water [1 water] that he surrounds himself in and absorbing it into his mouth, allows him to create a bubble with high pressure launching it at any Target within range. Upon impact, it will cause a loud pop which will deal 3d4, and every creature within a 5 ft radius must roll a Constitution saving throw 11+ owners Constitution. If failed they are deafened until the start of the next turn.

Healing bubble [Recharge  2 turns after completion]: Touch, By consuming [6 water points], Wushu attach themselves to the creature and expanding the bubble that he is in around them, engulfing them inside. Wushu starts to heal the creature within the bubble as long as they remain inside, up to 2 turns before having to use [6 water points] again,  healing 2 D 8 + Their Con modifer. Bubble Shield cost [1 extra water point] to use as a reaction while this healing bubble being activated.

Bubble Shield: Reaction, any Target Within 15 ft; If a range attack is being made to any Target Within 15 ft  of wushu you are able to expand [2 water points] in order to create a small bubble around them giving them +2 AC.

If about to take damage from an explosion(AOE Spell/AOE Effect) you can also add 2 to your die roll to that saving throw instead.