Emperor Wen of Sui
In 597, Emperor Wen of Sui provoked Goguryeo to show off the strength of his empire. King Yeongyang became indignant in response. Gang Yi-sik suggested that his king attack the Sui dynasty. King Yeongyang accepted and led 10,000 Mohe army himself. Goguryeo army to attack the pass at Linyuguan, but Wei Chong (韋冲), Governor of Yingzhou, hold them.