Over the Devil Sea, layers upon layers of dark clouds began piling up in the distant sky.
A cargo ship bearing the emblem of Blue Tongue Shipping suddenly slowed.
"The danger rating in the waters ahead is rising. Judging by the churning clouds and the strength of the sea wind, there's a chance an Inverted Sea Wall may form." Dressed in a blue-and-yellow uniform, the navigator stood on the top deck, gazing at the distant weather as he muttered under his breath.
"Then should we still sail through?" the captain asked.
The navigator hesitated for a moment. "If it's only rough winds and waves, we should have no problem getting through. But if an Inverted Sea Wall really appears..."
The navigator began wavering as well. This was the Devil Sea, after all. Their ship might have weathered countless battles, but if it encountered a catastrophe capable of swallowing them whole like an Inverted Sea Wall, they would still be finished. Still, Inverted Sea Walls were not so easily formed. Though there was a certain chance of one appearing, that chance was not high—perhaps only one in thirty. They could gamble on it.
The navigator told the captain what he was thinking.
Yet the captain was equally unable to make up his mind. After failing to reach a decision for a long while, he gritted his teeth and knocked on the door to the guardian's room.
Blue Tongue Shipping was one of the few shipping companies capable of trading back and forth across the Devil Sea, so naturally, it had supernatural forces backing it. This cargo ship also had a guardian aboard: a male wizard respectfully known as Sea Dragon.
"Lord Sea Dragon..." Trembling, the captain explained the situation.
Sea Dragon's meditation had been interrupted, and his face was full of