Inquisitor
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Yes, all armies have their own unique sound effect when they win. I've heard people shout something like "what audacity!" several times. :) (I think it was the Druids).
By the way, it's strange how this veil or aura follows the hero when they have a large army. It looks beautiful with a Haven hero, but there's some kind of nasty stench coming from under the Academy hero's elephant!