Willows Deflect

As a reaction, you halt the glowing darts of magical force. Each dart returns and hits the original spell caster. The  dart deals 1d4 + 1 force damage to its target and at the same level of the caster. The caster or returning targeted creatures can make a DEX Save DC16 for half damage: (Monk's that have obtained 5th level are immune). A failed DEX save receive full damage. The darts all strike simultaneously, at 8th level,  you can direct them to hit one creature or several doing double the damage of the original caster.

At Higher Levels. When you cast this spell using a spell slot of 8th level or higher,  you can direct them to hit one creature or several doing double the damage of the original caster.