Volume giantification was an innate ability of Coo's.
Because during the era she was born, the symbol linked to survival was… big, very big, extremely big!
But the Manifested Aura that increased along with her volume was an ability she had acquired through later training.
The principle was actually simple: dilute the Nen to increase its quantity, but the quality itself decreases accordingly.
The technique of spreading her Nen across the ruins earlier also employed this principle.
This diluted Nen, covering her giantified body, could hardly form armor-like defensive strength, but its defense wouldn't be too low, at least reaching the level of Leather Armor.
If the person she encountered hadn't been Law, even if ten thousand Nen Users came in this form, she would have swept them all aside.
At this moment, there was no trace of rationality left in Coo's mind.
Any existence that could be defined as a threat was, fundamentally, not something to communicate with. There was no need to complicate things, because it was a very simple matter.
Threats should be eliminated.
"I should have killed you too, Don... just like I will kill this human before me..."
Coo's animal eyes were now filled with blood red.
In her thoughts, Law was already a dead man, displaying unparalleled self-confidence.
And along with her confidence, new silver spikes regenerated.
The several spikes Law had painstakingly cut off had grown back effortlessly.
A despair-inducing phenomenon.
But Law was never one to be hopeless or despair.
The fact that Coo's silver spikes had regenerated did not cause any emotional fluctuation in him.
Facing the coordinated assault of the reformed spikes, Law dodged calmly.
An ant, after all, has its advantages.
The giantified silver spikes, while gaining power, lost their agility.
Although Law dodged with difficulty, it wasn't a major problem for now.
'I'll just stall for a while.'
Law narrowly passed by a silver spike, continuously closing the distance.
He was waiting for the moment the poison took effect.
But regardless of whether it worked, he needed to reach the top of Coo's head.
Only there could he use the method he had used against the deep-sea behemoths to deal with Coo.
In his view, when tiny humans faced these colossi, they either had to use poison or rely on the characteristics of the Nyoi-Bo.
Given the situation, he could only be grateful that the Nyoi-Bo had come to him from Saiyu.
Without this staff, crossing the threshold of the Dark Continent would not be so simple.
In the distance, the members of Beyond's team and the Hunter Association's team, constantly retreating, could no longer see Law's movements. But judging from the silver spikes stirring up the air, he was probably still alive.
They couldn't imagine Law's current mindset.
'Facing such a monster, wouldn't anyone's first reaction be to run?'
'Could Law actually be trying to kill that monster?'
The two teams venturing into the Dark Continent, with complex feelings, gradually retreated from the danger, in a posture of defeat.
Within the battle circle, Ging hadn't strayed too far. He needed to keep Law within sight at all times, so he could pull him into the Game Space at a moment's notice.
He knew very well that he was Law's Revival Coin, his most indispensable backup.
So, he couldn't afford any mistakes.
'Law, success or failure, you've shown me a certain prospect...' Ging watched Law's distant figure, the corners of his mouth curling.
The so-called threshold was the one Netero and Linne had never been able to cross… the abnormal biosphere, the countless colossal creatures.
Humanity's attempts to plunder Hopes with special effects from the Dark Continent were, in essence, unrelated to crossing the threshold. They were merely a pursuit of profit.
The true Dark Continent stood behind those colossal creatures, not behind the various Calamities that could pose a great threat to human society.
"Since we're going to the World Tree, I can't let you bear everything."
Ging's eyes gleamed sharply. His spirit, energy, and focus had reached an unprecedented state at this moment.
Under his watchful gaze, Law surmounted numerous obstacles, getting closer and closer to Coo's head.
Perhaps five minutes, perhaps ten.
Law had poured all his energy into dodging and attacking, having no capacity left to track time.
He only knew he was nearly at his destination.
After evading the last wave of attacks, Law finally reached the top of Coo's head.
Whoosh!
Law, using Nen like a tycoon, employed an Emission-type high-speed movement ability and instantly arrived at the center of Coo's head.
This was already a blind spot for Coo's vision, but she knew Law had gotten on her head, so she wildly shook her head.
However, no matter how she shook, Law stood there, unmovable as a mountain.
"I've thought you were a complete madman for a long time. Now, you're still a madman!" Kuro's now slightly calmer voice echoed in Law's mind.
"I kind of miss Hakuro."
Yet Law found time to respond to Kuro.
This insignificant threat bothered Kuro considerably.
Then, seeing Law take out the Nyoi-Bo, he could naturally guess Law's next move.
Law held the Nyoi-Bo, his gaze turning cold.
'Poison didn't work... Indeed, compared to reproducing and expanding viruses and bacteria, the application environment for poison is quite limited, especially in an environment like the Dark Continent.'
Law stopped pondering. He held the staff, gathered a large amount of Nen, and suddenly stabbed it into Coo's head.
Like a needle, it pierced Coo's scalp, causing a brief sting.
But this was only the beginning.
Law held the staff with one hand and with the other took out two pieces of Lichen.
He chewed and swallowed one piece, and held the other in his mouth.
Then, opening his Aura Nodes, he recklessly released Nen, channeling it into the staff.
First, lengthen it!
Compared to Coo's volume, the needle-like staff extended without stopping, piercing deep into Coo's head.
Due to its small size, it was hard to notice, including the pain the staff was causing.
When the length was sufficient, a glint of cold intent flashed in Law's eyes, and he began to thicken the staff.
Suddenly, the intense pain inside her head made Coo throw her head back and scream.
The clouds in the sky were actually scattered by the shockwave of this Nen-infused roar.
Law relentlessly continued to channel Nen into the staff, maximum speed, maximum efficiency!
Just then, driven by the unbearable pain, Coo made a crazy move: she directed all her silver spikes to stab at her own head.
With the advantage of numbers, it was almost an all-out assault.
"Law, get out of there!"
Seeing Coo's insane action, Kuro panicked.
But Law seemed not to see the spikes, focusing solely on injecting Nen into the staff.
"Law!"
Kuro's urgent voice kept ringing in Law's mind, but Law still didn't respond.
"Almost... almost..."
Law's eyes were fixed only on the constantly thickening staff.
Just then, a hint of a wail mixed with Coo's screams.
Simultaneously, the spikes descended.
A shadow suddenly loomed over Law.
At that moment, there truly was no escape.
But Law still had a solid backup… Ging.
As the shadow descended, Law was pulled into the Game Space by Ging.
Then, the spikes slammed into Coo's head, spraying blood like a torrential downpour.
The lengthened and thickened staff remained stubbornly embedded in Coo's head.
Her massive body swayed, then crashed to the ground.
Boom!
The entire ground shook.
In the distance, Beyond and his group, sensing the disturbance, could only watch wordlessly, unable to utter a sound.
And even farther away, in the sky, a giant black disc was flying swiftly towards the ruins.
The black disc appeared stationary, but its actual flight speed was not slow.