As you hold your hands with palms facing away from you, a blast of sand and grit shoots from your palms. Each creature in a 15-foot cone takes 3d4 bludgeoning damage and must make a Constitution saving throw. A creature is blinded on a failed save until the end of their next turn.On a successful save the creature is not blinded.  Creatures that do not have sight are unaffected.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 1d4 for each slot level above 1st.