The two of them rushed into the ancient hall following the sound, the sight before them causing Ling Xiao to draw a sharp breath.
In the center of the grand hall, an old man dressed in a starry robe was using fresh blood to draw a bizarre formation. Suspended in the center of the formation was a bronze coffin, its lid already half-open, and a demonic Qi as thick as substance was pouring out from the gap.
The starry-robed old man had his back to the two of them, his silvery-white hair cascading like a waterfall. In his hand, he held a bone brush, the tip dipped in some kind of dark golden liquid, outlining an intricate star chart on the ground. Every time he finished drawing a pattern, a piercing wail would resound through the air.
Chapter 702