Eldritch Cacophony

A dark bead crackling with yellow energy shoots out from your pointing finger to a point you choose within range and then blossoms fourth as a cacophony of horrible screeches and hellish roars in a thunderous boom. Each creature in a 20-foot-radius sphere centered on that point must make a Constitution saving throw. A target takes 6d8 thunder damage on a failed save, or half as much damage on a successful one. any creature within 10ft of the sphere when it is cast becomes deafened for 1 minute

The Sound can be heard in a 1 mile radius

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.