This can be looted or bought in: Inkopolis square and plaza. Some can be found in underwater dungeon chests.

Splattershot

Firearm "This weapon can only be used by Inklings and Octolings. This weapon is a simple ranged weapon." Common [None (?)]

A brightly colored water gun of sorts, which shoots out the PC's color of ink. It's ammunition comes from the ink tank held on the backs of the PC. The PC must wait in the in an x amount of rounds in ink to refill their tank, x being decided by the DM and dependent on how much of the tank they want to fill up. The splattershot can shoot certain surfaces, and then the PC can swim through the ink on the ground. Here is a table of surfaces the splattershot can ink.

Cost: 3gp 5sp Weight: 7lb