Lu Yin lowered the last book and shook his head. "Unfortunately, all of these battle techniques are useless to me."

Tian Dou said, "My lord, these battle techniques are indeed a bit superfluous to you. However, this servant has another battle technique that might be of interest to you."

Lu Yin's eyes lit up. "Let’s see it."

Tian Dou was a powerhouse who stood on the same level as Lu Yin’s senior brother, Qing Ping. This man’s battle techniques should be powerful enough to drive countless people crazy.

Even the Second Nightking looked at Tian Dou with great anticipation.

Death energy covered Tian Dou's entire body, and it wrapped him up in what looked to be some sort of cocoon that enveloped him.

Lu Yin's eyes went wide, as this looked very similar to his own appearance when he underwent the God of Death Transformation. Was it possible that Tian Dou could also use the God of Death Transformation?

The cocoon of condensed death energy dissipated, and Tian Dou revealed a small smile. "My lord, what do you think?"

Lu Yin blinked. "What do I think about what?"

"My battle technique. What you just saw is called the Death Energy Guardian. Are you interested, my lord?"

Lu Yin was left completely speechless. "Didn't you just wrap yourself up with death energy?"

Tian Dou smiled and turned to look at the Second Nightking.

The old man looked incredibly somber. “I can’t break through the barrier that he just used."

Lu Yin was shocked. "You can't break through it?"

Even...