Innate level: 2 School: transmutation enchantment Components: verbal, somatic Range: personal Area of effect: colossal (10 meter radius) Duration: instant Save: none Spell resistance: yes 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 knocked down for one round.