Chapter 699: Unraveling the Mystery in the Mist_2

At this moment, Leo Ray understood clearly.

Just as he had thought earlier, if the Nightmare Knight were to transform all the people in the square into undead, the consequences would undoubtedly be devastating.

"Indeed, it's unfathomable."

Anxiously looking at the innocent civilians surrounded by the clay soldiers and undead, Ariel Watson's heart was already in her throat, her brows furrowed in confusion, "What is that despicable Nightmare Knight scheming?"

"My lord, I know what the Nightmare Knight is doing..."

Lina seemed to have thought of something, involuntarily swallowing her saliva while panicking, "The Nightmare Knight is collecting 'despair'!"

"Collecting despair?"

Leo Ray was startled, nodding with furrowed brows.

He had already learned before this.

The important component of the "Controller of Humans" Necromancer's cultivation was not only death energy but also the fear and despair of their "materials."