Battering Strike

The next time you hit a creature with a weapon attack before this spell ends, Each creature in a 10-foot-radius sphere centered on the target must make a Dexterity saving throw. On a failed save, a creature takes 2d4+2 Force damage and is knocked prone. On a successful save the creature takes half damage.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the area increases to a 20-foot-radius sphere. Additionally, for each slot level above 2nd the damage increases by 2d4+2.