C664 The Black Flood Dragon Died

Just as the killing of the Profound Python at the top of the Black Dragon Pool started, the Blood Cocoon at the bottom of the cave had already changed.

Clack clack clack! The sound was like raindrops falling, and the black threads that made up the Blood Cocoon were breaking continuously, densely. From the inside out, more and more threads were breaking, and the Blood Cocoon was breaking