C963 Underground Travel

When they arrived at the edge of the Sky Cavern, Lee Meng looked down into the depths.

There was no wind nor sound, only the light green gas that was slowly rising.

Behind Lee Meng and inside his helmet, Darrell looked like he wanted to say something but was unable to.

It was too dangerous. The commander's position was too dangerous. If he took a step forward, he would fall into the dark abyss