Mmmm.... I'd like to try to make an add on to this move, making WaterSeal, offense & defense. Mostly defense though.
When freezing the waterseal, it stays untill you click it again, to make it water, with this, i think that (Also in the video) Is that you could make it where, when someone is infront of the waterseal, and you're inside of it still, having it being (ice) not water, where you can click (right click), at the player in the waterseal, and ice spikes will launch off of the bubble, at the player, not doing a lot of damage, but backing them away, untill the waterseal pops.
This is like adding the move he did with the water around him, i think it would be cool, but some might say, this is
just replacing icespike, or we have icespike for this, when benders can do more than 1 move, with another move added to it, like he did in the video.... >.>