The cantors of the old gods serve as heralds and evangelists across the Empire. Very often they act also as the messengers and assassins for the Elderpriest. What makes them particularly dangerous is that their magic comes from the divine, allowing them to wear heavy armour. No only that, that have been blessed by Hermod they retain their maneuverablity while armoured.
Their songs have a duality, sometimes, instead of bolstering allies, they create a field that slows everything within – people, arrows and even spells.