Song of Arcane Triumph (Su)

Prerequisite: Elf, half elf

Benefit: The mighty song of arcane triumph allows a magus to channel the raw energy of her magical power into her elven music. The magus can spend 1 point from her arcane pool as a swift action to sing a litany of triumph on a single successful hit. The opponent that his attack struck suffers 1d6 points of sonic per magus class level (maximum 20d6) in addition to normal damage. A Fortitude save (DC 10 + half her magus class level + her Intelligence modifier) halves the sonic damage this effect deals. On a critical hit, double this damage (unlike other bonus damage). Apply this extra damage even if the opponent is immune to critical hits.