Shaushtatar

He significantly expanded the Mitanni Empire to include Assyria and Nuzi in the east to Alalakh and Kizzuwatna in the west.

Now freed from the constant threat undergone by Mitanni of the Egyptians, Shaushtatar turned his attention toward Assyria.

He succeeded in extending the boundaries of Mitanni to include the areas of Alalakh, Nuzi, Assur, and Kizzuwatna.

Despite Mitanni's advantage that Palestine had a significant Hurrian population at the time, the war would be difficult to win.

[9] During the planning stages, however, Shaushtatar died, and his son Artatama I would negotiate with the pharaoh Amenhotep II over an alliance.