Blunderbuss

The shooter levels its firearm at a target and fires. Shrapnel sprays in a 15 foot line, potentially damaging everything in its path. Every creature in the area must make a Dexterity saving throw (8 + Dex modifier + Firearm proficiency). On a failed save, the creature takes 1d6 piercing damage.

At Higher Levels. This spell’s damage increases by 1d6 when you reach 5th level (2d6), 11th level (3d6), and 17th level (4d6).