He attempted to end the threat of Togha Temur, who had in the meantime made his camp in the Amul region and was preventing the Sarbadars from staying in contact with the Chobanids.
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On the route from Sari to Amul, the Sarbadar army was trapped in a pincer movement, and Mas'ud was taken prisoner and executed.
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.