C1329 Earth Chief
After flying for 1,300 meters, the two of them saw a huge underground river. The river was extremely clear, and it carried traces of life.
The two of them even saw many strange life forms resting in the water. They weren't strong, but there were many of them.
After flying along the river for a few minutes, they finally saw an even deeper pond at the end of the river. The pond wasn't big