In his reign, Goguryeo was faced with growing Xianbei influence in the west, particularly Murong Bu (慕容部) incursions into Liaodong. Micheon allied with other Xianbei tribes against the Murong Bu, but their attack was unsuccessful.
In his rule, Goguryeo faced increasing Xianbei power in the western regions, particularly Murong Bu's (Mengbu) attacks on Liaodong. Micheon allied with other Xianbei groups to resist Murong Bu, though their defense was unsuccessful.