Evocation cantrip

Casting Time: 1 action

Range: Self (5-foot radius)

Components: S

Duration: Instantaneous

You create a burst of thunderous sound, which can be heard 100 feet away. Each creature other than you within 5 feet of you must make a Constitution saving throw. On a failed save, the creature takes 1d6 thunder damage.

At Higher Levels:

The spell’s damage increases by 1d6 when you reach 5th level (2d6), 11th level (3d6), and 17th level (4d6).