 The Firvulag under new rulership later in the series are beginning to employ more and more human military tactics and equipment to the detriment of the Tanu and Humanity alike.The Howlers are a rogue Firvulag faction inhabiting the mountains of the Vosges, who parted with mainstream Firvulag society 800 years before the beginning of the first book in the series, over the issue of the perpetual enmity between Tanu and Firvulag.The Howlers are essentially a peace-loving people, and have long been spiritual, if not actual, allies with the Peace Faction amongst the Tanu, who are also opposed to the battle-religion practiced by the Tanu and Firvulag.