Hearing this, the old man felt his body tremble, "Your Majesty, please don't joke like that or else my little life might pass away immediately. My puny strength couldn't compared to the generals under your banner."
Han Li never lacked people in his side. As a matter of fact, there were many people who would be willing to surrender their lives to him. It's just a matter of whether Han Li was willing to take them in or not.
One must note that the challenge Jin Rou was talking about was a battle against the highest entity of everything, the Heavens. Too many sages tried to overcome it yet it always lead to failure, Han Li included. So, those who were picked by him were surely all powerful and heaven defying existences that could shake the realms.