Hail of Thorns

1st-Level Conjuration Spell (Ranger)

Casting Time: Bonus Action, which you take immediately after hitting a creature with a Ranged weapon
Range: Self
Components: V
Duration: Instantaneous

As you hit the creature, this spell creates a rain of thorns that sprouts from your Ranged weapon or ammunition. The target of the attack and each creature within 5 feet of it make a Dexterity saving throw, taking 1d10 Piercing damage on a failed save or half as much damage on a successful one.

At Higher Levels: The damage increases by 1d10 for each spell slot level above 1.

Source: Player's Handbook, p. 283