In " Celebrating Years," the last layer of the box Ye Qingmei had left Fan Xian was a small golden bead. This bead was called the " Space-Time Bead " and had powerful control over time and space. Through this pearl, Fan Xian could travel through different time and space to return to the past or future to achieve his goals. This pearl was the only thing Ye Qingmei had left for Fan Xian. It had a very important strategic significance.