Sword Snow Stride Episode 37

Zhao Xuan Su makes his final strike against Feng Nian. Before leaving Wudi City, Feng Nian asks Wang Xuan Zhi for some favors and discovers who else was present in the capital during the assassination attempt on his mother. He vows to return to finish the duels of Lao Huang and Li Chun Gang against Wang Xuan Zhi. As they head back to Beiliang, they encounter the Guangliang army, while Zhao Kai heads to Western Shu along with Eunuch Han. (Source: frankly at MyDramaList)