Devastating Smite

The next time you hit a creature with a melee weapon attack during this spell's duration, your weapon strikes with the force of cannonball. The creature takes an additional 25 force damage; a structure or construct takes an additional 50 force damage.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 10 force damage for each slot level above 3rd.