Angie Prairie glanced at Chu Nan and chuckled.
Chu Nan was furious, "I'm asking you a serious question. What are you laughing at?"
Angie Prairie smiled even more happily. As she smiled, she replied intermittently, "I… I'm laughing… laughing at you for solving the most difficult and… most important problem. Now… now, you're stumped by the simplest problem. It's too… too fun."
Chu Nan's face darkened and he sneered, "Why don't I think this is the simplest problem? I tried for a long time yesterday, but I still don't know how to construct my Internal Cosmos."
Angie Prairie barely held back her laughter and asked, "It's not written in the sixth level of the Nine Revolutions Technique left behind by Su Xuansheng?"