 Without Yuchi Gong, Li Shimin would never become the emperor.When Yuchi Gong was fighting against Goryeo Koreans in later years (see Qin Shubao's section), he noticed the talent of a young warrior called Xue Rengui (薛仁贵, or Xue Li 薛礼).He pointed Xue Rengui as his adopted son because he believe Xue Rengui would be a decant squad in Tang Dynast's military.