As an action, you cause a cloud of mites, fleas, and other parasites to appear momentarily on one creature that you can touch or see within 18 meters. The target must make a Fortitude saving throw.
On a failed save, a creature takes 1d6 poison damage and moves 1.5 meters in a random direction if it can move and its speed is at least 1.5 meters. Roll a d8 for the direction: 1: north, 2: north-east, 3: east, 4: south-east, 5: south, 6: south-west, 7: west, 8: north-west. This movement doesn’t provoke opportunity attacks, and if the direction rolled is blocked, the target doesn’t move.
On a successful save, it takes half as much damage and doesn’t move in a random direction.
This spell’s damage increases by 1d6 when you reach 5th level (2d6), 9th level (3d6), 13th level (4d6), and 17th level (5d6).