In the vast deep sea.
The Sea Overlord Legion was advancing at full speed.
Though every Sea Overlord Submarine was a massive behemoth—over two hundred meters long at the largest and one hundred twenty meters at the smallest—their sailing speed was anything but slow.
The submarine hulls were coated with a layer of Nacre Glue, which, combined with the water-controlling Mystic Array, greatly reduced the resistance of seawater.
This allowed the Sea Overlords to easily exceed two hundred kilometers per hour.
Traveling day and night, covering three thousand kilometers a day was no difficult feat. And if they caught a ride on an ocean current, even four thousand kilometers was possible.
Of course.
The powerful thrust provided by the Magic Spray Water Jet Engine created by Cheng Han was also an indispensable factor.
By now.
Even the most stubborn people had to admit one thing—Science Magic Industry had profoundly changed the world.
At this moment.
Class B Submariner Liu Yan was diligently cleaning with a group of comrades.
The Sea Overlord Legion's rules and regulations were rather cumbersome.
They explicitly stipulated that during long-distance submarine voyages, if there was no combat, cleaning had to be carried out three times a day: morning, noon, and night.
To be honest.
Liu Yan found it boring and unnecessary.
He gripped a white rag and vigorously wiped the table a few times. Then he picked up the rag and looked at it, only to see that there was not a speck of dust on it.
Liu Yan could not help shaking his head and muttering softly, "It's cleaner than my damn face. Is this really necessary?"
Nearby.
Squad Leader Deng Changming sharply caught the remark and immediately laughed as he cursed, "Liu Yan, you brat has the most bullshit to say in the whole