 Around 195, Tian Feng advised Yuan Shao to welcome Emperor Xian to Ji Province so that he could control the Emperor and use him as a "trump card" against rival warlords.However, Yuan Shao refused after listening to his other advisers.Eventually, Yuan Shao's rival Cao Cao welcomed Emperor Xian to his base in Xu (許; present-day Xuchang, Henan) and established the new imperial capital there.