In the second Goguryeo-Sui War, Eulji Mundeok maneuvered the Goguryeo troops so that they engaged the Sui army seven times a day, each time feigning defeat and retreating, leading the Sui army deeper south with the perception of victory. The Sui army eventually advanced to about 20 km from Pyeongyang, the capital of Goguryeo.
In the second conflict between Goguryeo and Sui, Eulji Mundeok orchestrated the Goguryeo troops to engage the Sui forces seven times a day. Each engagement was portrayed as defeat and retreat, causing the Sui army to advance southward toward Pyeongyang, the capital of Goguryeo.