The three-day journey isn't too long, especially with a young, beautiful lady for company, making it less boring.

Shiludi has a very outgoing personality and is quite talkative, showing much curiosity about Herag.

There are many things Herag can't talk about, so he doesn't reveal too much information.

The matters related to the Toad are classified at the Sixth Ring Tower, which means Herag also needs to keep many things hidden.

Shiludi is also very smart, and upon lightly inquiring about Herag's identity, she understands that it's inconvenient for him to disclose it, so she doesn't press the topic further.

Instead, she talks with Herag about various matters at the Wizard Academy, which Herag also finds quite interesting.

Herag discovers that the Wizard Academy in the Boundary Land is almost no different from schools in the previous world, lacking the danger and conflict present in the Wizard Plane.

Back in the Moonlight Forest, Herag used to scheme and fight with others just to pick a few mushrooms.

Such things don't happen in the Boundary Land; resources are so abundant that they are freely provided.

With such conditions, the wizards in the Wizard Academy naturally don't fight tooth and nail with each other, creating a harmonious atmosphere.

Herag chats idly with Shiludi, learning a lot about the actual situation at the Wizard Academy here and gaining a deeper understanding of the Boundary Land.

Three days later, the Plane Train slowly comes to a stop, arriving at the Ocean Plane.

As the door to the carriage opens, Herag feels a sea breeze rushing at him, carrying the unique scent of the ocean.

Stepping out of the carriage, he discovers the whole train is stopped on the sea itself, and he's standing on the water's surface.

Herag hasn't used magic or rule power to stand on the water.

Instead, the sea surface under his feet naturally supports him without letting him fall through.

Looking around, Herag sees that this is a train station built on the sea, surrounded by many people.

The doors of the Plane Train behind him are open, with many tourists disembarking one after another.

"Mr. Herag, this way, our reserved special reception has arrived, just ahead," Shiludi says, glancing at the Wizard's Mark.

The two walk outside the station, arriving at an expanse of open sea, the view is all a vivid blue ocean.

Some movement on the water ahead draws their attention, as a giant fish surfaces.

Herag observes it, thinking it looks somewhat like a whale, but not entirely.

"This is the Bona Fish, the most common mode of transportation in the Ocean Plane," Shiludi explains.

As the Bona Fish surfaces, it opens its large mouth, revealing a passageway leading to a brightly lit area.

Shiludi takes the lead, with Herag following closely behind.

Once inside, the Bona Fish closes its mouth and dives under the sea.

Herag enters and finds the passage carpeted thickly, leading to a hall-like area, with many lit candles adorning the walls.

Curiously, despite the Bona Fish clearly diving, there are no vibrations or undulations inside.

He can stand steadily on the floor without feeling any sway.

Upon observing for a while, Herag realizes this must be an internal space within the Bona Fish.

As it's a separate space, outside physical vibrations don't affect it here.

Beyond the sea surface scenery, the underwater sights of the Ocean Plane are even more distinctive.

Large cities in the Ocean Plane are essentially built underwater, making it distinct from other planes.

Herag receives a bracelet, which, when worn and activated, allows free movement underwater.

The bracelet is a Level 1 Witchcraft Artifact, enabling breathing and speaking underwater without affecting clothing.

Speech is transmitted using water as a conductor via magic, ensuring Herag's words are heard by others.

Although Herag can navigate underwater without the bracelet, speaking without it poses a challenge.

This small artifact conveniently solves many issues.

When the Bona Fish opens its mouth again, a massive city appears before Herag.

The entire city is built underwater, seeming submerged in water.

In reality, if examined closely, a thin membrane encases the city, preventing water seepage.

Inside the city, there's no difference from being on land, making the bracelet unnecessary.

This city is called Seashell City, one of the larger cities in the Ocean Plane, serving as a convenient hub for visitors.

Herag's hotel is located here; once settled, he's ready to explore an ancient city not far away.

This ancient city in the Ocean Plane has been abandoned for ages, with no inhabitants inside.

The Ocean Plane is a very peculiar place; the Boundary Land conquered it effortlessly.

There's no highly developed civilization here, and intelligent beings are scarce.

However, the Boundary Land discovered many ruins under the sea, indicating the original civilization here was advanced.

For unknown reasons, all cities were submerged by seawater, leaving only some scattered islands on the surface.

99% of the Ocean Plane's area is ocean, with very little land.

The Boundary Land extracted much information from those ruins, acquiring a lot of technology.

The principle behind Herag's bracelet comes from these ruins.

It appears the original Ocean Plane civilization might be extinct, suggesting there used to be vast lands.

Some catastrophe might have caused the plane to be submerged entirely.

It's possible the original inhabitants foresaw the event, developing many methods to survive the crisis.

But it seems they ultimately failed, although they might have migrated to other planes and survived.

Currently, it remains unproven, but there's indeed no mass grave found in the Ocean Plane.

Judging by the number of underwater cities, the population here must have been large.

If the entire plane had been submerged, bodies would certainly be numerous.

Since there aren't many remains now, most original inhabitants likely fled to other planes.

The ancient city Herag plans to visit has been studied extensively, with many valuable findings already retrieved, leaving the remains developed into a tourist attraction.

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