Third chapter

Some hours since the escape from the fire nation's territory finally both Iroh and Zuko relaxed a little.

"Zuko I think is a good time to tell me more don't you think?"

"…I think you're right uncle"

Right now Zuko was considering to tell the whole truth to Iroh but he realized that if he tell anyone about the future they'll relax and not give everything since they'll think that the war is already won no matter what and he knew that this was not true so he decided something completely different.

"Since the day I started to practice firebending I felt this was not something that suits me, so I started to develop my own style… what I discovered is the existence of concepts."

"Concepts?"

"Yes, it's something like the very laws of the universe, that's why I can do all the stuff that you saw some hours ago"

"…So why until now your firebending was so… shallow?"

"…because I used the firebending the palace instructors taught me my talent there was horrible, that's why."

"I see… what about the avatar whereabouts?"

"I already said that concepts are the very laws of the universe, right? Since the avatar is also something close to the laws every time I manage to comprehend more of the laws I can also feel more and more the avatar"

Even if this was a lie since the avatar since always was considered the highest under the heavens, this had a lot of sense so Iroh didn't even doubt it.

"What about thunder?"

"Well… I once thought that ying is cold energy, and yang is hot energy so I tried to fuse them, the result was that in truth there's nothing like that cold and hot is nothing more than little energy and a lot of energy, this gave me insights in many things, but then I tried with positive and negative energy, this gave me thunder as result… like this I managed to touch the threshold of thunder concepts."

"You ate a thunder earlier this is your so called concepts?"

"No.. that is nothing more than a basic application of the thunder concepts, what I did was to erase the energy mark from my father, turning the thunder in nothing more than energy, so I absorbed it in my dantian (the sea of chi, this is the name Chinese gave to it is in the stomach), but in truth with my current comprehension of thunder laws this wastes some energy the most I can do is to recover the same energy that I use to erase the energy mark."

"Marvelous… this is how you managed to use waterbending and earthbending?"

"Yes… I turned the earth into lava using fire energy, so I can control it using waterbending moves and like that I did the reverse process to freeze water."

"I'll need to learn this so called concepts but first I want to eat something."

Zuko thought that this was kinda funny they were fugitives and even like this Iroh was hungry, he started to laugh loudly this made Iroh frown but he didn't said anything. And when Zuko finished laughing launched some thunder to the water and a dozen or so fishes floated so both could take them.

"Don't you think that was ruthless? Like this you killed more than we can eat"

"Don't worry uncle I contained the thunder to a small area avoiding the spread of energy and unnecessary slaughter"

"You… how…" In this moment Iroh's heart was thirsting for the knowledge his nephew could teach him this application of the power of elements was nothing less than a miracle.

In the next two weeks of travel both of them were busy training, Zuko was focusing in his dantian making it bigger to reach his former level and Iroh was focusing in comprehending the laws with his nephew guidance and in this aspect Iroh was talented enough in just two weeks he managed to touch the threshold of the concept of vibration and now the fire he can make is a lot hotter without a significant increase in energy consumption.

On the other hand Zuko was using the fire Iroh was producing to slowly digest the energy contained in it to deepen his reserves of chi, in just two weeks more he managed to reach the equivalent to six months of training but this had a heavy price, his foundation was shaky so latter he'll need to consolidate it for some time because in a year of two he will no longer be capable of growing his dantian anymore, but right now he was younger so a month or two consolidating his foundation is nothing.

Like this two months went by in the blink of an eye.

"We're here uncle"

"This is the place the avatar is frozen?"

"No… I can feel some people that also have some ties with the laws, I think if we can convince them to follow us and then free together the avatar this will be extremely useful to make them our allies"

Of course the people Zuko was talking about were Zokka and Katara, in his timeline Zokka was the third strongest fighter of the team, Aang was the strongest then Toph since she initially was the closest to the concepts, and then Zokka, he didn't focus on the elemental laws but in supportive laws, he trained more time with Piandao and reached a formidable swordsmanship with the support of vibration concept his sword was completely pure (not even Toph can metalbend his sword) and sharp to a unprecedented degree.

He even managed to comprehend the airebending concept of speed so he is extremely fast, and using the concept of firmness of earthbending even a piece of scrap metal was enough to resist the onslaught of Aang's attacks for some time.

Then were the last ones in power Tsuki, Katara and Zuko, Tsuki focused in ninja-like skills and in this she was unrivalled in the world, Katara focused in healing skills and defensive skills, if she decided to use only defensive skills not even the whole team avatar was capable of breaking her defenses, and then Zuko he focused in round comprehension earth, water, air, fire, thunder, vibration, speed, heal.

Zuko was one of the weakest but he was the one with higher comprehensions and the one with higher flexibility but even like that he was not someone that anyone in the current world is capable of contending with.

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Finally, in the next chapter we'll "meet" Zokka and Katara

In this chapter I tried to give Iroh some elementary comprehension of the laws and tried to explain a little the original timeline, so we can know something more about the future team avatar, also I know the vibration concept is used a lot but this is because Toph even in the original series managed to touch the threshold due to her blindness and she already taught that to Aang so everyone slowly managed to use it due to her guidance.