High-level martial arts: Contract cashback, invincible starting from the Zerg.

After leaving the hotel, Chen Feng immediately found another hotel nearby and booked a room.

When Chen Feng dragged his still-recovering body down the stairs to the basement guest room, he found the environment there to be horribly bad.

There was only one bare tungsten filament light bulb hanging in the center of the ceiling on the floor.

The shimmering halo was refracted into light spots by the humid air, reflecting on the gray-green wall, which looked like disgusting bubble-like protrusions. With just a light touch, they would peel off in a rustling sound, revealing the dark red brick seams underneath.

Moreover, the air here also carries the stench of dead rats.

Chen Feng took one last look at the room number before using the room card to open the door...

This is a standard guest room.

There were many signs of use on the pillows and blankets, and the bathroom was filthy.

Even with the air conditioning on, Chen Feng still felt that the room was filled with a suffocating atmosphere.

"Oh well, it's worth the price." Chen Feng comforted himself as he slumped heavily onto the bed.

Just as he was about to fall asleep, he glanced at the "Weiyang" app, whose functions were now limited.

But he reached out and opened the "Bai Fei" app.

......

At this moment, they were in front of a gloomy body of water inside an island in the lake.

Bai Fei jumped off the giant beast skeleton and clapped her hands.

After a period of exploration, she had a general understanding of the overall structure of the island in the lake.

The island is cone-shaped and covered with moss and lichen. When viewed from above, the top of the island is narrow like a spire, but the underwater part extends into the lake bottom as a huge base, like an inverted towering tree.

Whirlpools formed by the backflow of lake water can often be seen inside the hole.

In the turbulent lake water, one can occasionally see sharp bone spikes half a meter long in the crevices of the rocks; these are the teeth of giant beasts, gleaming with a milky white luster.

This appears to be the skeleton of a giant beast.

Furthermore, judging from the size of the giant skeleton, the beast's strength level in life was at least at the Heavenly Rank.

"The red stripes on the bone walls are remnants of silicified blood vessels, while the cracks and holes on the bones indicate that it suffered a violent attack. After the giant beast died, its abdominal cavity was filled with gas, which allowed it to float. It was then encased by calcareous deposits in the lake water, forming a hollow fossil structure..."

Bai Fei held her chest with both hands, while her right hand thoughtfully stroked her chin as she analyzed the giant beast skeleton with a serious expression.

They look quite cute.

Just then, Chen Feng's physical clones began to appear behind Bai Fei.

Bai Fei, who sensed something, noticed it instantly.

She immediately turned around and asked with a smile, "Senior! How is it here?"

Chen Feng looked around in confusion, not quite understanding what was going on.

Chen Feng: "Bai Fei, where is this?"

Bai Fei: "This is the northwest part of the Giant Beast Forest. I'll call it Lake Mountain Island for now."

Chen Feng: "An island in the lake?"

Chen Feng glanced thoughtfully at his surroundings and casually opened the information about the island in the contract system.

Location Name: Abyssal Spinal Fin Dragon Remains

Location: Center of a lake in the northwest of the Giant Beast Forest

[Rich in elements: silicified bone crystals, phosphate-calcium rock layers, acidic lake water, fragments of ancient biological genes, fragments of giant beast cores, and a large amount of other substances]

[Strategic Uses: It can be used as a biological weapons laboratory to extract gene fragments to modify species; it can also be used as a natural defensive fortification, using holes and acidic lake water to build a barrier; or it can be used as an ecological research base to analyze the remains of giant beasts and reconstruct prehistoric ecosystems.]

The Zerg have always possessed a powerful ability to modify the environment.

Even in the remains of these colossal beasts, which are almost devoid of flesh and blood, as long as the Zerg develop to a high level, they can still design new Zerg combat units based on fragments of the colossal beasts' biological genes.

For example, designing combat units that incorporate features of the Abyssal Spinal Flyosaurus.

Moreover, in the hands of the advanced Zerg, as long as enough fragments of the behemoth core are absorbed and extracted, with the help of a large amount of bio-energy resources, Bai Fei could even restore a super-powerful behemoth core.

Besides these.

The acidic lake water, porous structure, and lake isolation of the island in the lake provide favorable defensive conditions for Baifei's insect nest, making it an excellent location for an insect nest.

Thinking of this, Chen Feng nodded to Bai Fei.

Chen Feng: "So, you plan to place your insect hive here? Aren't there any potential threats from other biomes here?"

Bai Fei: "As long as it's not a giant beast attacking, the threat to my hive is very low. Besides, my armor is already adapted to this area, so escaping won't be a problem."

Chen Feng: "Hmm...that's well said. This is indeed a good place to place the core of the Zerg hive. So...let's begin."

Hearing her senior say this, Bai Fei immediately smiled and took out the insect hive core from her backpack.

The core of the insect nest looks like a golden cicada.

However, on the outside of that golden shell, there were numerous crystals and the condensed core of the giant beast, the crystals of which were also translucent.

From the outside, you can also see the dark red nerve bundles pulsating inside.

Bai Fei carefully placed the insect nest core in her hand into the water source near the shore.

The next moment, as if sensing the presence of its prey, the core of the insect hive quickly extended numerous tentacles, which embedded themselves directly into the rock wall on the shore.

Meanwhile, the pupa-like body plunges into the lake water and begins to absorb the available nutrients.

Seeing the visible speed at which the core of the insect hive was transforming, Chen Feng smiled and immediately walked over to the hive to observe it carefully.

Chen Feng: "How long will it take for this thing to take shape?"

Bai Fei stood up and looked at the dark lake water shrouded in night. After a moment, she shifted her gaze to the two-square-meter gap in the bone above.

As the war nest of the Ziwei Zerg, Casey is originally an aquatic Zerg nest.

Here on the lake and island, she can fully utilize all her abilities as an aquatic mother nest.

Bai Fei: "I estimate that after 6 hours, the insect nest will begin to have its own will, and after 1 day, the insect nest will take shape and begin to have the form of an aquatic insect nest that absorbs and preys on itself."

Chen Feng immediately floated to the core of the growing insect nest.

They carefully observed the little creature that was constantly absorbing nutrients from the lake water.

Chen Feng: "Okay, I'll stay here and keep watch to see if there are any unexpected situations."