Boom!

The Blood Saber Elder had undergone a transformation. The blood-red robe behind him was torn apart, revealing two pitch-black wings that seemed to cover the sky and block out the sun.

The enormous wings flapped, stirring the sinister energy of the Heavenly Demon around them. It emanated from the coffin formed by the chains of runes, causing it to shake and twist violently, as if on the verge of shattering.

"What an astonishing sinister energy of the Heavenly Demon!" Xiao Man exclaimed in shock.