Crucially, the vital energy inside the blood pool had been extracted from tens of thousands of powerful cultivators. Even if they were to enter and absorb it themselves, it would be impossible to drain it all in a short time.
Just as the Black Protector finished speaking, the coffin gave a shudder. Although the movement was slight, the wave of energy it released caused the blood of every martial artist throughout the prison to surge violently.
The Black Protector knew at once that the Immortal Lord was furious.
Chapter 1029