Thunderous Bellow

3rd-level evocation

Casting Time: 1 action

Range: Self (20-foot cone)

Components: V, S

Duration: instantaneous

Classes: bard, sorcerer

You shout a thunderous phrase that bursts outward from your location. Each creature in a 20-foot cone must make a Constitution saving throw. A creature takes 4d8 thunder damage and is pushed 15 feet away from you on a failed save, or half as much damage and is not pushed on a success.

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.