Cheng Sheng naturally didn't fully understand what Ki Le said. But, he somewhat do since he can see the other's expression. He naturally knows that they are still both from opposite forces, so he guessed that Ki Le is having a dilemma of his identity as their enemies.
Cheng Sheng sighed. "There is nothing wrong in the pursuit of knowledge." He spoke. "As long as you retain your moral ethics, then I don't care whether you are an ally or an enemy." He said.
Ki Le looked at Cheng Sheng in surprise.
Cheng Sheng's face is serious. "But, of course, it is better that you become our ally." He continued. "And, since you now are also on our side, that makes you as our ally." He said. "So, Ki Le, do you want to be my disciple?" he asked again.
Ki Le's eyes brightened. Then, he immediately nodded, feeling excited. "Yes! I want to!" he answered.
Cheng Sheng smiled, feeling satisfied. "Then, first things first." He spoke as he walked towards Ki Le.