"Lightning Fiend?"
Grey and Gus looked at each other and saw the panic and confusion in each other's eyes.
Fear of the unknown was the greatest fear. At this moment, the two siblings were immersed in this fear.
Even Grey, as an evil disciple, could not help but shiver.
At the very least, the mechanical demons and the steam demons had been savaging the Fist God's World for hundreds of years. They knew exactly what it was.
But they knew absolutely nothing about the origins, methods, and purposes of 'Electric Fiend'.
Grey did not dare to look at Lu Qingchen in the eyes anymore. She knelt on one of her knees and dissected the boa with a dagger, before she extended her entire arm into the boa and groped around. Finally, she managed to retrieve the beast core.
"What is this?"
Looking at the sapphire-like object in Grey's hand, Lu Qingchen asked with great interest.