He Xiaoyao practiced until he felt his heart was full, and then he dared not practice any longer.
He glanced at the red crystal, which had already grown dim, with only a faint glimmer of light remaining.
"This is so miraculous," He Xiaoyao said. "My heart filled up in no time. You should give it a try in a moment. But now that I've practiced with it and it's dimmed, we might have to wait two or three hours."
Chapter 314