Since they had just taken a round in the underground space for less than 1 hour, they didn't make any great achievement. At most, they had been familiar with the location, the size and the surrounding environment of the bloody sea. Additionally, their curiosities were satisfied.
Of course, Zhang Tie was an exception.
When Zhang Tie exited the hole, his mentality had been utterly different than that when he entered it. However, Zhang Tie didn't reveal any abnormal expression as if he had discovered nothing.
The rain was heavier. Zhang Tie's protective battle qi isolated his body from rainwater once again. He looked up at the cloudy sky as he felt a bit chilly. That golden airboat had already left, leaving Iron-Dragon Airboat suspending alone in Pingsha Valley.
"Let's go back to the airboat, there's nothing to look at here!" Zhang Tie waved his hand as he walked towards the airboat with all the others.