Worldshatter Note

Release a singular note of catastrophic force in a 300-ft. long, 20-ft. wide line. Creatures in the line must make a CON save, taking 20d10 thunder damage and becoming deafened for 1 minute and knocked prone on a failed save, or half damage only on a success. Objects and structures take the damage automatically. The sound can be heard up to 10 miles away unless you suppress the echo.