Echoing Bolt

Description: You conjure a reverberating bolt of thunder, arcing through the air with thunderous force.

Effect: Make a ranged spell attack against a creature you can see within range. On a hit, the target takes 1d8 thunder damage. The target must make a constitution saving throw against your spell save dc or become deafened until the start of their next turn. As the spell creates an auditable boom out to 100ft.

Additionally if the target failed the save, the bolt detonates dealing half the initial damage to everything within a 10ft radius.

At Higher Levels: The damage of this spell increases by 1d8 when you reach 5th level (2d8), 11th level (3d8), and 17th level (4d8).