Source: Races of Faerûn
A dark legacy of the Shadowking's ambitions is the shadow of sorrow that cloaks many Tethyrian songs and ballads. Some bards have learned to infuse their performances with the sense of loss and suffering that suffuses the Shadow Weave.
Prerequisite: Shadow Weave Magic, bardic music
Region: The Western Heartlands.
Benefit: You get a +1 bonus to the DC for all saving throws of spells you cast from the school of Enchantment and spells with the sonic descriptor. You get a +1 bonus on caster level checks to overcome spell resistance for these schools and spells. These bonuses stack with bonuses from the Shadow Weave Magic feat.