Ink Storm

The Ink Cloud is a Special Weapon upcoming in Splatoon 2. It is a rain cloud of the user's Ink color that pours said ink over the map, splatting enermy Inklings who are under it.

Trivia

 * and the Bomb Bazooka are the only Splatoon 2 Special Weapons that have not been named.
 * However, both will be named in the future.