Monotonous Echo
From HGWiki
Caster Level: Bard 2
Innate Level: 2
School: Transmutation
Descriptor(s): Sonic, Damage Over Time
Component(s): Verbal, Somatic
Range: Short
Save: Fortitude
Spell Resistance: Yes
Area of Effect/Target: One Target
Duration: 10 Rounds
Description: The caster transforms the target's sweat to a sensitive membrane, which vibrates in response to even the smallest sounds. The target takes 1d6 points of Sonic damage for each 3 caster levels each round, for 10 rounds. While effect is active, target suffers Sonic damage resistance decrease of 1 point per 6 caster levels.