This metal token was used to control the Energy Vortex.
Before Luo Zheng took out the metal token, red light radiated from around it.
Based on his judgment, this Red Light was probably related to Feng Ge's identity as a "Pure One." When it sensed a Pure One crossing the Energy Vortex, it would make the Energy Vortex react violently, thereby killing the Pure One within the Energy Vortex.
Even though Luo Zheng had now expanded the Energy Vortex's passage to an enormous size, once they left the Iron House and entered the passage, they would probably be attacked by the Energy Vortex again.
With that in mind, Luo Zheng naturally thought it best to take the token with him.
When they reached the lower level of the Iron House, Luo Zheng prepared to cross the darkness and leave.
"Wait," Feng Ge said, stopping him.
"What is it?" Luo Zheng turned back in confusion.
A cold glint flashed in Feng Ge's eyes, and faint killing intent lurked deep within it. "That Yuanling is far too powerful for us to provoke. We've taken so many things from them—they definitely won't let this go."
As she spoke, light gathered at her fingertips.
The monsters in the other iron cages sensed Feng Ge's killing intent and began to stir uneasily.
The Transformation Demon Block went so far as to say, "Don't kill us! Don't kill us! I've told you everything I should..."
Feng Ge had no intention of stopping. She would not show these monsters even the slightest shred of mercy.
As the dazzling white light bloomed in the darkness, Luo Zheng reached out again and grabbed Feng Ge's arm. "Forget it."
Feng Ge stared at Luo Zheng, complicated emotions showing in her eyes. "Don't blame me for being cold-blooded. You know the