"It's… Qi."
Yi Chen answered with a firm gaze, even though in his heart he wasn't completely sure whether the answer was right or wrong.
However, just at that moment he saw Elder Hong Lie's expression, which had become disinterested after hearing so many wrong answers, brighten up all of a sudden.
"You're correct," Elder Hong Lie said with an impressed smile and asked the next moment with a testing gaze, "…Then can you also explain why Qi is considered the basic unit of cultivation? What was the approach you took to come up with this answer?"
"This…" Yi Chen made a difficult expression, not expecting to be hit with another question right after.
However, since his answer wasn't a random guess, he was able to link up the scattered points in his mind into a proper structure before answering with the main point, "I chose it because of lifespan."
