Balagarn's iron horn

Caster Level: Bard 1, Wizard / Sorcerer 2

Innate Level: 2

School: Enchantment

Component(s): V

Range: Personal

Save: None

Spell Resistance: Yes

Area of Effect/Target: Colossal

Duration: Instant

Description: The caster creates a deep, resonant vibration that shakes all creatures in the area of effect from their feet if they fail a Strength (check as if the caster had a Strength of 20). Every creature that falls will be nocked down for one round.

BoW Changes
Balagarn's Iron Horn: Based on discipline check. The DC is the same as the Bigby spells except there is no Size Modifier.