C1216 What Are You Thinking About?

Two days ago, Xiao Yi had not stopped to refine pills for a single moment.

Yun Hao and Hua Jian kept watch by the side, especially Yun Hao, who stared unblinkingly at Xiao Yi, as if afraid that he would miss some crucial step.

Hua Jian dozed off a few times, sleeping for two hours.

Maintaining such a high level of concentration for two days