Great Mortis Delta


 * For The Black Pyramid of Nagash building, see The Black Pyramid of Nagash (building).

 is a province introduced in Total War: Warhammer II. It is located in the Southlands region and can be found in both Eye of the Vortex and Mortal Empires.

It contains the unique settlement Black Pyramid of Nagash which is important for Tomb Kings campaign objectives. The Sentinels faction will never leave The Black Pyramid.

Lore
The Great Mortis River, which translates to the River of Death, previously known as the Great Vitae River, or the River of Life, was once a mighty life-giving river which once flowed throughout the lush and plentiful valleys of Nehekhara, providing its inhabitants with some of the most fertile lands within the world. Forming the fertile cradle from which the first Human civilization was founded, the Great Vitae River, as it was known then, provided enough trade along its waterways and food from the fertile soil to sustain and uplift the nomad tribes of the desert into the first Human civilization.

When Nagash, former King of Khemri, returned and enacted his vengeance upon his former homeland, he polluted the Mortis Tarn, the river's source high up in the Worlds Edge Mountains with warpstone and his own powers of Dark Magic. The pollution slowly made its way towards the rest of the major rivers of Nehekahara. Soon, the corrupting spring waters began to look sickly and red as blood. Across the entire Nehehkaran Empire, the people grew sickened by this pestilence and died by the tens of thousands.

Folk died with great pustules marring their skin. Apothecaries and healers fell in the act of treating their patients. Men fled their families, dying even as they ran. For a season, death stalked the land until the dead outnumbered the living. The crops withered and died, the cattles became emanciated and grew ill, and it seemed that every living thing in Nehekhara was dying. So it was that the River of Life became known as the River of Death, polluted by the bitterness and greed of one single man.