C842 Capturing the president, Teng Yan was determined!

The reason!

Teng Yan asked as he frowned.

There had to be a reason behind all this, and the Demon Lord must have a secret to slaughter a martial artist.

"This Demon Master has passed down his Demon Grimoire. Any Sky Demon who cultivates a Demon Grimoire can rely on the blood of warriors to raise their cultivation