C797 Airship Ascending

More than half of the cultivators working in the underground cave had already retreated. The 100-meter long streamlined airship laid across the middle of the ground, covered in a bright metallic luster.

"The purpose of these thin lines is to reduce the resistance. These slight bulges are detectors." Lu Cai introduced.

"Not bad, he looks indestructible." Wang Baoyu nodded