Barbed bonespike

You summon pointy necromantic bones from the ground underneath a target in range. The target must make a dexterity saving throw or take 1d4 magical piercing damage and 1d4 necrotic damage.

Both the piercing and necrotic damage gets its damage increased by 1d4 At 5th level (2d4x2), 11th level (3d4x2) and 17th level (4d4x2).