C425 Chapter 420 - Ling Bao's Breath

Ling Yan led the three of them through the ready-made tunnel. The one meter squared tunnel was already half closed, and although it had been passed through twice, the base of the tunnel was very long and narrow. The internal structure was very loose, and it was obviously an asteroid formed from space material.

Yu Fei was in the lead, and he didn't seem to have any intention of taking any action