Dust Whip

In reaction to a creature making a weapon attack, you are able to change the force of their swing into a spiraling tornado of sand. From where the weapon attack was made, you may as a Reaction cast this spell and have a sand tornado cover a 5 foot wide, 30 feet long line. This goes in the direction the attack was made. All creatures to come in contact with the line must make a STR saving throw. On failure, they take 1d4 Bludgeoning damage. If a creature succeeds the save, the Tornado stops prematurely before traveling its full distance.

At Higher Levels. At levels 5, 11, and 17, increase damage by 1d4.