Thorn Splinters

0-level (Cantrip) Abjuration

Casting Time: 1 reaction, which you take in response to being damaged by a melee attack from a creature you can see within 10 feet of you

Range/Area: 10 feet

Components: S, M

Materials: a bundle of thorns

Duration: Instantaneous

A mass of thorns lashes out at a creature who harmed you with a melee attack. The creature who hit you must succeed on a Dexterity saving throw or take 1d4 piercing damage. At higher levels. This spell’s damage increases by 1d4 when you reach 5th level (2d4), 11th level (3d4), and 17th level (4d4).