One Billion

Lucid dreaming sounded like a shady thing. No proper research organization had done any extensive research on it. The human brain was extremely complicated, and scientists hadn't even figured out how consciousness had come to be. Needless to say, subconscious consciousness was even less understood. 

Zhang Zian clarified with Famous, "Of course, I don't believe in this. That repeated practicing can make you forget the boundaries between dreams and reality… This is just like something out of a fantasy novel. Only Wang Qian and Li Kun would believe in something like that. But saying that repeated practice would be able to help you control the outcomes of your dreams… I wouldn't dare deny it completely."

"So you mean to say that there's such a possibility?" Famous asked.

Zhang Zian hesitated for a bit before nodding. "I don't think we can completely rule it out."

Famous sank into deep thought.