Dismantle

As you hold move your hand in a slashing motion with your finger a slash with shoots forth from your outline you made with your hand. the creature must make a Dexterity saving throw. A creature takes 3d6 slash damage on a failed save, or half as much damage on a successful one.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 1d6 for each slot level above 1st.