Within the sea of lightning, the giant black ark was swaying unsteadily like a small raft, but still progressing onward with the treasures and light barriers that had been set up earlier protecting it from the falling lightning. 

However, once the ark entered the sea of lightning, the lightning that was crashing down from above suddenly became two to three times as concentrated as before, and each bolt of lightning was imbued with a type of unknown power, causing the giant ark to sink slightly with each strike.

Even though the eight Glacial Water Rhinoceroses were towing the giant ark with all their might, the ark was still significantly slowed down by the interference from the lightning, and it took a long while for the ark to travel just a few kilometers.

If it weren't for the pair of azure stone puppets releasing wagon-wheeled-sized balls of azure light upward to dispel some of the lightning, the giant ark would be moving even more slowly.

"We can't keep going like this! At...