Aqua Pulse

You send out a wave of compressed water at a creature or object within range. Make a ranged spell attack against the target. On a hit, the target takes 1d8 cold damage. The damage die for this cantrip increases to a d12 when you are partially or fully submerged in water.

This spell's damage increases by 1d8, or 1d12, when you reach 5th level (2d8/2d12), 11th level (3d8/3d12), and 17th level (4d8/4d12).