At Kuwajima Jigoro's request, Qingshui demonstrated all six forms of Thunder Breathing.
After watching, Kuwajima Jigoro fell silent.
It wasn't as he had guessed—that Qingshui could only barely manage the full Thunder Breathing—but rather, he performed it quite smoothly, showing a certain level of proficiency.
"It seems you'll master my humble skills in no short order," Kuwajima Jigoro said, stroking his beard.
He could teach more than just the techniques of Thunder Breathing; his own research into Breathing Styles was also quite profound.
It wouldn't be long before the Demon Slayer Corps gained another Hashira. Since Shinazugawa Sanemi already held the position of Wind Hashira, if Qingshui became a Hashira, he would likely inherit the title of Sound Hashira from Kuwajima Jigoro.
What Kuwajima Jigoro could do was shorten this time and make Qingshui even stronger.
"Qingshui, your strength is already sufficient. The next selection on Mount Fujikasane is in just over a month, so during this time, I will teach you Constant Breathing. If you can master this, you won't be far from becoming a Hashira."
"Then, I'll continue to trouble Senior Kuwajima for the foreseeable future."
Qingshui cupped his hands to Kuwajima Jigoro.
With just over a month, he should be able to find some time to build the Puppet exoskeleton.
...
...
The strength of the exoskeleton Puppets in the Demon Slayer World is limited.
This is due to material constraints, so their main purpose is to assist in combat, working with Avatars in the Demon Slayer World to use Breathing Styles.
So, could a Puppet be created that could both assist with Breathing Styles and possess sufficient strength?
The Puppets in the Naruto World were temporarily sufficient. With Qingshui's current abilities, controlling a fourth Puppet was still a bit challenging.
However, Qingshui's Avatar in the DC Universe had ample resources, and the DC Universe possessed sufficiently advanced auxiliary technology. Moreover, after such a long period of Chakra training, he now had the ability to control two Puppets simultaneously.
Originally, Qingshui's plan was to use Black Gold and Black Gold II together, but now it seemed he could retrieve Black Gold and keep it as a collectible.
Qingshui wasn't worried about it being stolen because, aside from him, no one in the DC Universe could manipulate Puppets using Chakra Threads; they simply couldn't power Black Gold.
Unless they possessed an energy core like a miniature reactor and powerful information technology to create an operating system, fully integrating a host of auxiliary hardware into Black Gold.
If someone truly had that capability, they could become Iron Man themselves and build their own suit; there would be no need to steal Black Gold.
The only minor issue was that Penguin was now unwilling to sell him some valuable items that required special channels to acquire.
As Hogg United expanded, the two largest forces in Gotham's underworld were now Hogg United and the Iceberg Lounge.
While they were currently coexisting peacefully, that was only because both sides had gained so much from Falcone and the Two-Face Gang that they hadn't yet fully consolidated their gains.
A mountain cannot hold two tigers. Hogg United and the Iceberg Lounge would eventually clash until one emerged victorious, or a third force rose to establish a triangular balance, keeping each other in check.
Penguin clearly understood that over 70% of Hogg United's current momentum relied on Qingshui's personal combat prowess.
Without Qingshui, the massive Hogg United would crumble.
On the surface, Penguin was still happy to do business with Qingshui: "You get what you want, I make money." But when it came to things like the high-strength flexible rubber from Wayne Enterprises last time, Penguin consistently claimed to be out of stock.
Fortunately, Qingshui had opened another channel.
Central City University's physics lab.
During his last visit to Central City, Qingshui not only gained superpowers from the Particle Accelerator experiment but also used money to establish a connection with Central City University's physics lab.
He not only used their equipment to produce several doses of Titan II Potion but also saw many impressive things developed by Central City University.
For instance, a new material jointly developed by their physics and chemical materials departments.
Graphene-Enhanced Elastomer. This material could perfectly replace high-strength flexible rubber, offering excellent strength, ductility, and toughness.
Due to cost, it hadn't left the lab for commercial development, but it was more than sufficient to provide a more complete, robust, and space-saving pneumatic drive system for the new Puppet, allowing for a more aerodynamically streamlined body.
There were many other good things as well.
When building Black Gold in the past, he only had a budget of a few hundred thousand dollars. Now that budget had increased more than tenfold, so Qingshui naturally used all the good materials he could get his hands on.
The frame was primarily made of titanium alloy and cobalt-chrome alloy, both extremely strong and low-density alloys. The bulletproof layer of the outer armor used these two alloys combined with even lower-density composite ceramics and carbon fiber.
Weapons like the Rockets maintained the same configuration as Black Gold, and it was also equipped with a High-Voltage Electric Sword and an internal air filtration and circulation system.
This was to prevent poisoning.
He couldn't just inhale and use a Breathing Style when Joker used Laughing Gas, or Scarecrow used Fear Toxin, could he?
Tsk, I really am something.
In the workshop, Qingshui stroked his chin, looking at the white metallic Puppet, which was about the same height as Black Gold but possessed beautifully streamlined curves.
Its figure was slender yet powerful, and the multi-functional optical lenses in its eyes gleamed with a faint blue light. Although it hadn't been painted yet, the white color scheme combined with this design exuded a sense of sci-fi.
Qingshui decided to retain the main color when applying the fire-resistant paint, primarily for aesthetic reasons.
"Let's call it White Knight."
Qingshui patted White Knight's metallic shoulder, and a panel interface appeared before his eyes.
[Puppet Name]: White Knight
[Comprehensive Parameters]:
Height: 2.02 meters
Weight: 134.39 kilograms
Materials: Lightweight alloy, composite fiber, Graphene-Enhanced Elastomer…
Energy: None
Operation Method: Chakra Threads
[Puppet Rating]: A- (A)
[Overall Evaluation]: An armored combat Puppet, a product of the high integration of modern engineering and Puppetry. With the addition of some high-tech enhancements, it possesses both speed and power. Its close-quarters combat power is immense, and it can be equipped with heavy firepower. When combined with its operator, it will unleash even greater power depending on the operator's own combat ability. With certain superpowers and additional components, it can achieve flight.
The rating is the same as Big Ivan, but Qingshui believes White Knight's combat power will be stronger than Big Ivan's.
Donning White Knight, Qingshui walked to the spacious underground parking lot of his car dealership and tested it out.
Although he could conduct simulated tests on the interface, Qingshui himself needed to become proficient in operating the Puppet to avoid mistakes during combat.
The only frustrating part was that while the garage was large, it felt far too cramped when flying.
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