Wind whistled and flames surged. As more and more sacrificed Demon God avatars and cultivators multiplied, a tiny crack gradually appeared in the sky, slowly expanding before vanishing into the array.
This was an ancient teleportation formation drawn by the Demon God's avatar, which utilized the void passage for interstellar teleportation. It was exceptionally complex and could only be activated under specific conditions.
After lasting for over two hours, the sacrifices were complete, and the formation subsequently sank into the ground, leaving only a few dozen Undying Fire pools looking as ordinary as ever.
Chapter 171