It had been three days since the ship had set out from Luzon, and here, the underworld looked no different from the mortal realm. The sea and the sunlight were exactly the same, and the only clues that indicated that this was the underworld were the flocks of strange seabirds that one encountered from time to time.

Of course, the sailors of the underworld didn't need to eat or drink, so this saved a lot of time and energy, but at the same time, there arose a much more terrifying prospect than running out of food and water: sea monsters.

Qin Ye was looking at a map of the underworld, and it wasn't much different from a map of the mortal realm. There were some differences, but it was still possible to tell which nation was which. However, on the vast sea, there were only 10 routes marked in green on the map. Those were all of the routes from the new continent to Asia.

All of the other routes were colored in red, and many places along those routes were annotated in black with wisps of netherfire burning over the annotations.

One of those specks of netherfire was situated to the lower right of the Star Cluster Federation, and Qin Ye gently laid a finger onto it, upon which an extremely formidable burst of Yin energy immediately rushed into his mind. This was initial Yama-King level Yin energy!

He closed his eyes, and the Yin energy automatically formed an image in his mind. This was an image of a monster that strongly resembled a giant whale. It was over 500 meters in size, and as it slammed its tail down onto the surface of the...