C700 Blood Devil Cave

"Watch out, I'm going to throw it over." Liu Haofeng said cautiously while holding the skeleton key. He stared at the gap on the other side of the box.

To be honest, he really wasn't sure because he didn't have Xue Li's blood. According to Suo Erdun, there was no way to open it without blood.

But now, Xue Li was dead. Even if she dug out her heart