Souterrain Groundswell

Painting Magic: Souterrain Groundswell (絵画魔法『スー・テロンの蜿り』) is a Painting Magic spell.

Description
With an open grimoire, the user manifests a paint brush and a palette and, with a swipe of the brush, creates several humanoid figures that ride waves of dirt. The figures crash into a target, covering them in dirt.