Horizikaul's boom

Horizikaul's boom was a spell used by sorcerers and wizards.

Effects
When cast, the spell bombarded a targeted creature with an incredibly loud high-pitched sonic attack. It can strike a moving target. The targeted creature suffered from sonic damage and was temporarily deafened. If the targeted creature was within an area of effect of a silence spell, the spell had no effect.

Components
This spell required only verbal and somatic components.