Starting next Fest, you'll get "Hanabidama" during battles. Throw one and it launches ink fireworks at the impact point, spreading ink around the area. You get Hanabidama every time you drop onto the stage or take down an opposing player. Launch lots of them and light up the Fest night sky.

A video posted by @SplatoonJP on X (formerly Twitter) (February 19, 2024 ・ その他 ・ 0:54). Watch and download it on XCLYP.