Starting from the shores and extending a few kilometres into the sea was a pavement made of soil and stones. It was a disharmonious mixture, barely held together by the saliva of the Crust-Mantles.

Crust-Mantles shuttled to and fro above it, transporting soil further into the sea. They were creating a long path, spanning 20 metres wide each. Once the paths were created, they dropped the soil into the sea to fall onto a structure beneath.

It was a tunnel, extending deep into the sea and making a large arc around the territory of the Floating Spiders.

The tunnel was made by interweaving of silk ropes, produced by Transformer Floating Spiders using their Unranked Skill, Web World. The ones who had taken charge of the entire operation in the sea was the Web Family. The remaining two Families were in charge of other operations.

Cylindrical columns were joined together one after another—like compartments of a train—to extend the tunnel.

Each cylindrical column spanned a kilometre in diameter and two kilometres in length. They were massive structures that weighed beyond what anyone could carry. Thankfully, the silk ropes were weaved in such a pattern that the entire structure could bear its weight.

Adding onto the elastic property which was in tune with its rigidity, the structure was stable and was capable of withstanding intense water pressures. As the structure was made from the silk produced by the Unranked Skill, Web World, it was capable of hovering in the air.

If it wasn't anchored to the ground, it would probably fly away into space until reaching equilibrium with the forces of nature. Riding within each cylindrical web structure were droves of Floating Spiders, using their weight to keep the structure hovering a hundred metres above sea level.

A Sky Controller Floating Spider took the charge to man it, moving it towards its respective spot. It eventually aligned it over the ends of the long tunnel proceeding into the sea.

Upon the Sky Controller Floating Spider's signal, a couple of Transformer Floating Spiders within the structure unleashed their auras, directing the brunt of it away from the working force. Upon unleashing their auras, their body weights were no longer inhibited, causing the cylindrical web structure to move downwards.

The Sky Controller made fine adjustments, making the ends of the cylindrical web structure align with the ends of the tunnel. The two Transformers walked towards the joint, using their Unranked Skill, Web World to connect it. They continued to reinforce it until it looked like the entire tunnel was one long structure, without any segments.

The moment they finished joining the cylindrical structure, Crust-Mantles poured over in droves, bringing soil while filling up the area. They covered the sea surface with the soil, leaving most of the work to the seawater.

When the seawater mixed with the soil, it turned them heavier, causing them to sink and cover the tunnel. They mixed their saliva into the soil which turned the soil into a cohesive unit that attracted each other, developing an affinity to one another.

As they proceeded deeper into the sea, the depth the tunnel was laid went deeper. Eventually, even the upper surface of the tunnel was a kilometre below sea level. When its lower surface rested on the sea bed, the Floating Spiders delivered some commands to the Tier 5 Crust-Mantles manning the area.

The Tier 5 Crust-Mantles relayed the instructions to their underlings. Hundred Tier 4 Crust-Mantles dived into the sea, swimming towards the seabed, occupying spots around the tunnel. They began to dig up the soil underneath it, piling them up beside while causing the tunnel to slowly fall deeper into the ground.

Starting from one end, they did the same towards its other end which was peaking on the shore. There was another similar tunnel twenty kilometres inland, starting from the place where the Crust-Mantles were digging the ground for.

It seemed they planned to connect the two at the end when they were finished on both sides. Their depth was a kilometre below sea level while the lower surface was two kilometres below sea level.

The soil they dug up for the tunnel inland was used to cover the one in the sea. As for the sand they scooped out from underneath the tunnel in the sea, it was used as topsoil cover, making the sea bed look the same as before, as if nothing happened there.

'They are planning to bring something from the seas deep into the land. Judging by the directions, it should be far from Marble City, but not far enough, possibly within the range of 300 kilometres.' Jyorta thought. His consciousness experienced the life of the Crust-Mantle form that scooped soil from one place, ran over some distance, and accumulated it as a small mound.

Another Tier 1 Crust-Mantle scooped the soil from there and transported it some distance further, scooping it into another mound. In such a way, the soil was orderly transported deep into the seas before being dropped over the tunnel. It was a repetitive process.

Floating Spiders made up almost half the workforce. They flew from one place to another, helping in transporting large rocks. If the rocks proved to be too big or heavy, the Crust-Mantles would use their mandibles and break them into smaller pieces.

The two races worked in sync but hardly ever exchanged a word. Most of the conversations transpired between the Tier 5 beings of the two races. More than a conversation, it was just the Floating Spiders ordering the Crust-Mantles around.

A Wave Controller Floating Spider had become tired, most of its psychic energy had been consumed by this operation. The work of the Espers in this operation was only one thing, it was to mask the entire area using their psychic abilities.

Sight, sound, smell, etc. every aspect that could be detected had to be blocked out. It was to prevent their enemy, Marble City from figuring their plan out. Jyorta's Crust-Mantle form gazed towards the sky once while on its task, noticing hundreds of Floating Spiders in the air.

Just the area above it alone consisted of such frightening numbers. Through its poor eyesight, it made out the silhouettes of even more Floating Spiders in the air, casting a massive net that blocked out everything. The Transformers from the Web Family used their Unranked Skill to create the net.

The web made from the Unranked Skill was capable of blocking out most, if not all detection methods of the same Tier, except sight. Shifters created two more layers below, unwilling to take any chances. After all, it was best to be as careful as possible, considering the astounding abilities of their foes, the humans.

Above the net formed by the Web Family were the Espers, overlaying another layer with their psychic arms to make the net invisible while also masking its presence. Unlike the net that was a solid structure once formed, the Espers had to constantly maintain their layer while keeping an optimal state of mind and focus.

When they got tired, there were replaced by other Floating Spider Espers, taking as much care as possible. Among them was the Wave Controller Floating Spider that had almost exhausted itself. When it was replaced, it flew towards its home, one of the massive spherical domes.

Along the way, it noticed the working figures of the Crust-Mantles, looking at their robust physique. It found a Shifter Crust-Mantle swimming towards the surface, flying towards it before attacking its back.

Despite possessing more than enough means to retaliate, the Shifter Crust-Mantle endured while defending its vitals. On noticing the ensuing battle, many more Espers who had completed their shifts flew over, watching the fight with interest.

Seeing the Crust-Mantle's robust physique, they drooled, intending to join the fight. But, just when they were planning to make a move, a Sky Controller Floating Spider arrived at the scene, breaking up the fight.

"Don't do anything that would delay the work? Understand?" It glared at the Wave Controllers, emitting dense killing intent. The Wave Controllers meekly nodded in response and proceeded to their homes.

When they left, the Sky Controller Floating Spider gazed at the Shifter Crust-Mantle, "Get back to work. Don't complain about losing a bit of flesh every single time."

The Shifter Crust-Mantle hurriedly nodded and retreated into the water, escaping from the scene.

"Too weak," The Sky Controller Floating Spider commented, "But, they have their uses. Just their flesh alone improves our Essence of Frenzy."

The Shifter Crust-Mantle climbed up the pavement, collapsing near Jyorta's Crust-Mantle form, chirping in anger, "Damn them!"