The purple-bearded Demon King's Secret skill was a special racial talent. After using it, it would indeed cause harm to himself.
However, this method of burning one's bloodline could indeed pass through the seal of the illusory formation and transmit the news to the outside.
As long as he could send the message out, purple beard Demon King would not hesitate even if he had to pay a great loss.
This was because the gains would far exceed the cost!
Seeing the purple-bearded Demon King's exhausted appearance, the three demon kings who were responsible for guarding him had a glimmer of hope in their eyes.
They hoped that it would work this time. They had had enough of this sense of powerlessness, and it was almost driving them crazy.
In the past, the demon monarchs were best at bringing this despair to the humans.
However, today, when this despair fell on him, it felt completely different.
