Elyra's Imposing Hammer

Select a target that you can see within range. A great spectral hammer appears above the target, smashing down on them with great force. The target must make a dexterity saving throw or take 4d8 force damage and be knocked prone. On a success, the target takes half damage and is not knocked prone.

At Higher Levels: When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d8 for each slot level above 3rd.