 He soon publicly denounced Emperor Yang of misrule and tyranny, and immediately drew popular support in the region as well as the strongest shipping laborers and sailors.He summoned Li Mi and his brother Yang Xuanting (楊玄挺) from the capital Chang'an, and his brothers Yang Xuanzong (楊玄縱) and Yang Wandan (楊萬石) from the Goguryeo front, but Yang Wandan was captured and executed.Yang Xuangan made Li Mi his chief strategist, and Li Mi gave him three options, in the order of Li's opinion as to their feasibility