The ancient stone door emitted a dull groan as a heavy aura rushed toward them, laden with the smells of dampness and decay. The compass in Lu Chen's hand flared brightly, its needle pointing steadily ahead as if guiding their path.
"Be careful, the situation here is unknown," Lu Chen warned in a low voice, stepping into the darkness first. Huo Yao followed closely behind, and the others filed in one by one. The stone door slammed shut behind them, swallowing the very last sliver of light.
In the darkness, only the compass emitted a faint glow, illuminating a small area around them. This was a vast subterranean space filled with intricate passages, like a giant labyrinth.
Chapter 420