C72 Xiao Jiu

"How long will it take you to upgrade? If you it costs too much time, some unforeseen events might happen." Hai Qinglan frowned slightly. If an average person wanted to break through a small bottleneck, they would need one to three days. If it took Wu Hui so much time, he might as well leave this place and upgrade after returning home.

"One hour."

Wu Hui sat cross-legged on the ground