As an action, your mere touch can disperse the surface material of a creature or an object, sending a tiny portion of it far away. Make a melee spell attack against the target.
On a hit, it takes 1d8 force damage.
On a critical hit, it takes twice as much damage.
On a miss by 4 or less, it takes half as much damage.
At higher levels
This spell’s damage increases by 1d8 when you reach 9th level (2d8) and 17th level (3d8).