C409 Unexpected discovery(part iii)

Since there was a voice guiding them, Long Tianci and Mu Wenfeng naturally did not need to light it up. The two of them quickly flew in the direction of the voice, and as they continued to move, the roar became clearer and clearer, until the two of them could even hear a few voices mixed in!

Finally, Long Tianci and Mu Wenfeng saw some faint rays of light appearing on the distant wall