Fist of Yog-Sothoth

You conjure a horrid tendril of Yog-Sothoth into reality to batter your foe. One creature of your choice that you can see within range makes a Strength saving throw. On a failed save, it takes 8d6 (avg 28) type=necrotic damage, has the Prone condition, and you move it up to 40 feet in any direction within the spell's range. On a successful save, it takes 8d6 (avg 28) type=necrotic damage only.