Yun Lintian didn't reply immediately but turned to ask Zhou Qingyu. "Senior Zhou. You can guard this island for several years. I believe you have something to rely on, right?… You don't have to answer me if it's inconvenient."
Zhou Qingyu didn't hesitate to answer. "Indeed, I have a trump card. However, you've overestimated me."
"Please do explain, Senior." Yun Lintian didn't quite understand.
Zhou Qingyu sighed softly and said. "The reason I can be here until this day is mainly because the Black Jade isn't valuable as you think. It's unnecessary for the giant forces like the nine palaces to haggle over this place. As for those relatively weaker forces, they cannot do anything to me."
"I see." Yun Lintian immediately understood.