 Xun Zhi attacked the Gojoseon army again and succeeded in defeating it this time.Xun Zhi and Yang Pu converged on Wanggeom-seong and laid siege to it, but the city was well guarded, and after several months it had still not fallen.After a sudden attack by Xun Zhi, the high minister of Gojoseon secretly sent envoys to discuss terms of surrender with Yang Pu, however no final agreement was reached.