C687 Blood refinement and spirit transformation

Meng Tianya's voice came out from the large cauldron: "It really isn't a medicinal cauldron. There are some small things inside that break upon touching."

At this moment, a "hu hu" sound came from inside the tomb chamber as if there was a wind blowing by.

"Wind? Where did the wind come from, in the tomb chamber deep underground? " Ling Yu's pupils shrank, his eyes stared straight at the coffin