Second Layer of the God Tomb.

When Zhang Yue used his blood as bait to lure out all the divine beast bosses attached to the stone pillars and defeated them, the bodies of those bosses did not refresh.

Following Ouyang Ling'er's instructions, Zhang Yue ordered the Thirty-Six Winged Apocalyptic Black Dragon to breathe dragon flames to burn those stone pillars.

To his surprise, the stone pillars were as flammable as wood, igniting instantly!