Arrows of Bone

You touch a collection of arrows, bolts or bullets. Twelve of them are enchanted with necrotic magic. They confer advantage when attacking Fey, Celestials, Beasts or Plants. On hit, the target must make a constitution saving throw and take 1d12 Necrotic damage. Against the four creature types the ammo has advantage on, confer disadvantage on the Constitution saving throw and take max damage on fail.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the number of pieces of ammunition you can affect with this spell increases by two for each slot level above 3rd.