 According to his annals, discovered at Assur, in his first year he conquered eight countries in the northwest and destroyed the fortress of Arinnu, the dust of which he brought to Assur.In his second year he defeated Shattuara, king of Hanilgalbat (Mitanni), and his Hittite and Ahlamu allies.He incorporated the remains of the Mittanni kingdom as part of one of the Assyrian provinces.