As Kyle stood in front of the gigantic flame, he felt the surroundings cooling significantly.
On his journey through the Tertiary World, he had come across farts (Yin-Fire) from time to time, but the Yin-Fire here acted quite differently.
The Yin-Fire in the Tertiary World was mostly present near the Winterfire Empire's headquarters.
There was a small well of Yin-Fire that came out of a mountain. It encompassed a bit of the mountain, but it wasn't nearly this big.
Additionally, the Yin-Fire was mostly peaceful. It acted more like a big campfire.
Meanwhile, the Yin-Fire in front of Kyle was aggressive and brutal.
In short, it was way more intense and powerful.
The cold of the Yin-Fire spread throughout Kyle's entire body, creating a couple of frostbites.
'For fuck's sake. I thought I would get some relief from the pain of the Sin Flames, but this just feels like more burning.'
Kyle blinked a couple of times as he got an idea.
'It feels like burning, but it's also a bit different. What if I make the pain more intense and contrast it with the burning pain of the Sin Flames? Maybe that can help me in comprehending the Law.'
Kyle scratched the back of his head before shrugging. 'Sure, why not? Just gotta be careful not to die.'
He slowly approached the fire, and the pain intensified.
Usually, Kyle would use the intensity of the pain to gauge how severe the injuries he was receiving were, but his perception of pain had been completely skewed by the Sin Flames.
So, Kyle just stopped from time to time and looked at his Ether.
At some point, his Ether was dropping quicker than it was recovering, which told him that he had reached the limit of his recovery abilities.
He took a couple of steps back and watched his Ether some more.
'Yep, that seems just right,' he thought as he looked at his body.
His skin and flesh were turning blue, white, and purple.
His arms and legs were dying and regenerating constantly.
'You know, I'm actually lucky that I know the Fragment of Organs. Otherwise, I couldn't recover this quickly. The stronger the pain, the easier the comprehension.'
'Surprisingly, the pain is still a bit weaker than the Sin Flames.'
'Yeah, well, it's the best it's going to get.'
Finally, Kyle closed his eyes and focused on the Yin-Fire.
Almost immediately, several lines and numbers appeared in Kyle's mind.
After so much Law Comprehension, Kyle was perceiving Ether in a different way. He had never been a person who liked math, but after he saw that one Law Comprehension test in Theodor's Inheritance Crypt as an equation, he just kept going with it.
Math seemed to work rather well when it came to making sense of Laws.
Kyle had never truly studied math in depth. Most of the math-stuff he came up with was organically produced in his own brain with his own logic.
There was a big chance that several of the conclusions about math he came to were incorrect, but it had worked pretty well so far.
The first thing Kyle focused on was Yin-Fire's composition.
'The Base Fragment of the Yin-Elements is most likely the new one they receive. At least, that's how it's been with Yin-Lightning and Yin-Metal so far.'
'That means the Fragment of Composition shouldn't be so hard.'
Over the next months, Kyle focused on the composition, and as suspected, it wasn't that complex.
Kyle had already comprehended Yin-Metal in the Tertiary World, and he had also already comprehended a pretty strong Complex Law.
Yin-Metal had taken him almost a hundred years to comprehend, but with the denser Ether around him, the greater abundance of the Element, and the strong pain Kyle was in, comprehending Yin-Fire shouldn't take that long.
As expected, just seven years later, Kyle comprehended the Fragment of Yin-Fire Composition.
After he was done, he left the Yin-Fire and checked his Magic Ring.
'Are there any messages? Would they even send me a message, or would they just come to get me?'
His Magic Ring said that there were no messages.
So, Kyle just shrugged and went back into the fire.
He went as far as he could, but he noticed that his body was no longer being damaged as quickly as before.
'Probably because I know the composition now.'
So, Kyle went further in.
The pain became more intense again, but it was ramping up surprisingly slowly.
'Huh,' Kyle thought as he looked forward for a bit before looking at his hands.
He still got his fair share of frostbite, but it wasn't as bad as it used to be.
Kyle scratched the back of his head before heading further in.
'Well, that sure feels weird,' he thought as he stopped. 'My bones are freezing.'
'Sure, my skin and flesh are also quite cold, but my bones feel colder than those.'
At that point, Kyle got a suspicion.
'I gotta check this,' he thought as he closed his eyes again.
This time, he didn't focus on the Yin-Fire but on his skin.
As he looked at it, he noticed that the Biological Ether in it seemed far denser than before.
He watched how his skin reacted under the immense power of the Yin-Fire and analyzed it.
Several concepts were combining in Kyle's mind, and within just a couple of minutes, he understood how everything worked.
'Huh, wouldn't you know?'
'The Fragment of Skin.'
Yes, Kyle had comprehended the Fragment of Skin, one of the ten Fragments of the Law of Body.
Kyle hadn't been working on it, but he had abused his body so many times that it just accidentally happened.
His skin had gone through an insane amount of torture in the past.
One couldn't forget that almost all of Kyle's Law Comprehension related to Yin-Metal, Yang-Fire, Yin-Fire, and Yang-Metal involved him subjecting his skin to the elemental forces.
'What about my muscles?'
Kyle looked at his muscles as well and understood quite a bit.
However, he only understood the defensive aspect, not the offensive aspect.
Sure, he also used his muscles during training and fighting, but that still wasn't enough to cover all of the offensive aspects.
'If I swing my hammer for a bit, it might be enough for me to comprehend the Fragment of Muscles as well.'
'But then, I can't look at the Yin-Fire.'
Kyle scratched the back of his head.
'Or I can just swing my hammer in the Yin-Fire with all of my power. Just gotta be careful not to damage the Law Well.'
After evaluating his options for a bit, Kyle just shrugged.
Then, he pulled out his hammer.
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