The Lv4 — Nebula Era would set off a collapse of consciousness and a collapse of the body.

Shen Cong had never heard of such a thing, but in the Southern Theater Command it was settled fact. Every evolved person who entered the Lv4 — Nebula Era, whether they chose to become a Superbrain or chose to control Activity waves with the biological brain, ended up collapsing. There had already been a number of incidents, so nobody dared to evolve.

That was why the research institute had been forced to develop a blocking serum to suppress gradation in the Lv4 — Nebula Era.

In other words, out of the Southern Theater Command's 790,000 people and its eight thousand-plus evolved people, not one had managed to evolve into the Lv4 — Nebula Era and complete brain-cloud gradation.

"Why would that happen?" Shen Cong frowned. "Division Commander Lu, have you been injected with the blocking serum?"

Lu Guanghan sighed. "I have."

"Would you let me examine your body?" Shen Cong asked. He was very interested in this.

Lu Guanghan hesitated only briefly before nodding. "No problem." As he saw it, he was only the lowest grade of evolved person, while the other man had a particle-grade evolved beast for a battle pet. If he wanted to harm him, it would take a snap of the fingers. Safe or not hardly came into it.

So Shen Cong began to sense Lu Guanghan's condition.

His particle-grade Activity waves slipped into Lu Guanghan's body as silently as a spring breeze and began a fine sweep of every tissue. Above all, he checked the spirit-fire system. He found that Lu Guanghan's spirit-fire system was essentially complete, with points of spirit-fire shining throughout his body.

When the Activity waves followed the spirit-fire system up into the brain, they met enormous resistance.

Sweat broke out on Lu Guanghan's forehead, and he had to speak up. "Boss Huang, I can feel a force I can't hold back hitting my brain."

"Don't resist. Relax, I won't hurt you." Shen Cong made fine adjustments to his Activity waves to slip around…