Spell Level: 1
Spell School: Conjuration
Casting Time: 1 Bonus Action (which you take immediately after hitting a creature with a Ranged weapon)
Components: V
Range: Self
Area: None
Duration: Instantaneous
Conditions/Effects: Damage (Piercing)
Saving Throw: Dexterity
Ritual: No
Scaling: Spell Slot Level
Classes: Ranger
Link: Link to source
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.
Using a Higher-Level Spell Slot. The damage increases by 1d10 for each spell slot level above 1.