Balagarn's iron horn

Balagarn's iron horn was a spell used by bards, sorcerers and wizards.

Effects
When cast, this spell created a sonic vibration strong enough to cause a creature to stumble or trip. The strength of the resonant vibration was determined by the caster's skill level.

Components
This spell required only verbal and somatic components.

Appearances

 * Video Games
 * Neverwinter Nights series (Neverwinter Nights: Shadows of Undrentide • Neverwinter Nights 2)