The cave entrance was tightly and thickly sealed with cement. After expending a great deal of effort to chisel it open, Wu Xie and the others were shocked to discover that the soil was mixed with wisps of shocking red blood.
Seeing this, Zhang Haike’s expression instantly tightened. He stepped forward, carefully pinched a small piece of soil, and examined it closely in the palm of his hand.
"This... is blood!" His voice was low and filled with vigilance.
Chapter 271