The House of Thrune is an ancient noble house of Cheliax whose adherence to the infernal philosophy of Diabolism long predates the fall of Aroden. Members favored black and gothic designs in dress and felt no compunction to a
After over thirty years of civil war following the death of Aroden in 4606 AR, House Thrune seized the throne of Cheliax by promising a return to glory and stability, although at a heavy price. The Treaty of Egorian was signed on the 19th day of Calistril, 4640 AR, marking the Thrune Ascendancy and commencement of the reign of Queen Abrogail. Loyalty Day is held each year on the anniversary of the signing the treaty to honor the Thrune Ascendancy.
The armies of House Thrune are supplemented with the bound denizens of Hell and they remain close allies of the various orders of Hellknights. Nobles from the House of Thrune regularly enter into dark pacts with infernal agents in return for incredible power. Other noble house have followed House Thrune lead in this practice.