After having secured his kingdom from enemy threat, Eskandar began strengthening his kingdom; he founded the city of Kojur which became his capital.
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In 1344, the Sarbadar ruler Wajih ad-Din Mas'ud, sought to increase his territorial domains, and thus in 1344 invaded the domains of the Bavandid Hasan II of Tabaristan and Eskandar II in Mazandaran with several hostile minor dynasties allied against him.
When the Bavandids attacked his rear, however, and the Paduspanid Eskandar II met him at his front, Mas'ud was surrounded.