Octazooka

You send a blast of ink towards your creatures. Make a ranged attack roll, doing 1d10 + MOVE water damage on a hit. If the natural attack roll is 18 or more, the target must add -1 to attack rolls for the remainder of this combat.

At Higher Levels: The damage dice roll for this move changes to 2d8 at level 5, 5d4 at level 10, and 4d8 at level 17.