Enfeebling Arrow

You weave necromantic magic into your arrow. The creature hit by the arrow takes an extra 1d6 necrotic damage. The target must also succeed on a Constitution saving throw, or the damage dealt by its weapon attacks are halved until the start of your next turn.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d6 for each two spell levels above 2nd level