Arrowbloom

Enchant a ranged weapon you touch to empower it, causing and all ranged or thrown attacks made with the weapon for the next 10 minutes to split into a 30ft cone. creatures within the cone must make a Dexterity saving throw, taking 2d4 piercing damage on failure, or half damage on a save. 

At Higher Levels: When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 1d4 for each slot level above 1st.