Countless shards of glass shoot forth from you. Each creature in a 15-foot cone makes a Dexterity saving throw, taking 2d4 slashing damage on a failed save. Additionally, the ground of the area becomes difficult terrain until the start of your next turn.

Cantrip Upgrade. The damage increases by 1d4 when you reach levels 5 (3d4), 11 (4d4), and 17 (5d4).