Tharn's Great Épée

Using a sword, rapier, shortsword, dagger, or bladestaff, summon a 30ft spectral blade and thrust in a direction you choose. Any creature in the line of your thrust must make a DEX saving throw. A creature takes 3d8 piercing damage on a failed save or half damage on a successful save.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the damage increases by 1d8 for each slot level above 2nd.