Time Travel: The Best Doctor in Ancient Times

Gu Changsheng heard Borjigin Nian’s words, immediately pouted, and couldn’t help but speak, ”Borjigin Nian, have you gotten delusional? Even Manman and Little Monk Bu Jie can’t get in, your Northern Mongolian treasury, is it Copper Walls and Iron Ramparts, and still Iron Walls and Copper Ramparts? Look at you being so smug!”

Just as Gu Changsheng thought Borjigin Nian would definitely get angry upon hearing this, not only did Borjigin Nian not get angry, but he even nodded, and said, ”Although you didn’t quite get it all right, there’s one point you did hit on: the core of my Northern Mongolia’s treasury is indeed Copper Walls and Iron Ramparts, Iron Walls and Copper Ramparts!”

”You...” Hearing this, Gu Changsheng was momentarily speechless at Borjigin Nian.

Turning around, she hugged the arm of her evildoer with a hint of grievance, and said, ”Evildoer, your Little Junior Sister has gotten delusional! It’s an illness, and it needs to be treated!”

Darn it, the sooner the treatment the better, otherwise, Gu Changsheng was starting to doubt whether Borjigin Nian’s stories about the ancestors of Northern Mongolia and the Secret Realm Key were true!

Copper Walls and Iron Ramparts, sounds pretty badass, impervious to water and fire...

However, in front of reverse-the-heaven Masters of the Transformative Realm, what kind of crap are Copper Walls and Iron Ramparts?

That’s something they can topple with a snap of the fingers, seriously!

Intuitively, Gu Changsheng felt Borjigin Nian was talking nonsense!

Dang it, placing something as important as the Secret Realm Key in such an obvious place as the Northern Mongolia’s Treasury, and yet Borjigin Nian was so confident!

Couldn’t understand at all, the Northern Mongolia Royal Family and their ancestors, really, what were they thinking, was their head filled with straw?

Simply foolish!

So foolish it’s unmatched!

”Gu Changsheng, do you not believe Grandma? If Grandma says they can’t get in, they can’t get in! Not only can’t they, but even you, dreaming of getting the Secret Realm Key is just foolish dreaming!” Seeing Gu Changsheng’s reaction, Borjigin Nian’s deep-etched little face finally showed a bit of anger, but in the blink of an eye, this anger turned into a mischievous grin as he said, ”Gu Changsheng, do you remember what was tied to you when you and my Senior Brother succumbed to Demon Fall?”

Upon hearing this, the mocking color on Gu Changsheng’s radiant face instantly vanished, replaced by rigid astonishment!

What was tied to her and her evildoer when they succumbed to Demon Fall and woke up?

Suddenly, an ominous premonition surged in Gu Changsheng’s heart...

Her mouth twitched involuntarily...

Borjigin Nian, seeing the strange expressions on Gu Changsheng and her senior brother’s faces, smirked and crossed his arms, delighting in the drama, ”That’s right, it’s exactly what you’re thinking of...”

”At the bottom of the Deep Sea, deep in the Nine Nether, the Thousand-Year Cold Iron!”

As he spoke, Borjigin Nian successfully saw Gu Changsheng and her senior brother’s body stiffen and their expressions blank, the smile on his lips growing larger and prouder as he continued, ”Yue Xilou had to expend great effort, gather all his resources, deplete the power of the Southern Country, Great Zhou, and Liaodong to find two Thousand-Year Cold Iron Shackles capable of binding you, but as for us, as for the Northern Mongolia, from the start to now, countless generations of our ancestors have paid many a price to use those Thousand-Year Cold Irons to create Copper Walls and Iron Ramparts for the protection of the Secret Realm Key!”

Using Thousand-Year Cold Iron to create Copper Walls and Iron Ramparts!

Upon hearing this, Gu Changsheng’s open mouth was suddenly speechless...

Thousand-Year Cold Iron!

Though she didn’t know the exact usage with Borjigin Nian, Gu Changsheng certainly understood it better than them!

This thing is very peculiar, according to Gu Changsheng’s conjecture from her travels, it’s very likely a type of meteorite, truly made to be solid!

So solid it’s astonishing!

Moreover, it’s precious beyond measure, one could say it’s a priceless treasure!

Yet Northern Mongolia used this priceless treasure to build a shelter to house the Secret Realm Key!

What else could Gu Changsheng say?

What a waste!

So decadent!

Truly, it’s the epitome of wasteful luxury!

Such an absolute spendthrift!

With her delicate little hand slowly raising, Gu Changsheng had no choice but to give Borjigin Nian a thumbs up!

Darn it, you’re something else!

These Copper Walls and Iron Ramparts made from Thousand-Year Cold Iron, even Masters of the Transformative Realm can’t get through, this is the real deal!

Because when she woke from Demon Fall, she had already surpassed the strength of a Master of the Primordial Transformative Realm, yet even so, she had no way to escape without Yue Xilou’s key...

So, imagine just how indestructibly solid this Thousand-Year Cold Iron is...

”Three layers!” As Gu Changsheng gave a thumbs up, Borjigin Nian leaned over and showed three fingers to Gu Changsheng...

Upon hearing this, Gu Changsheng’s expression immediately froze, her lips twitching slightly as she couldn’t help but ask, ”What three layers?”

”The Copper Walls and Iron Ramparts guarding the Secret Realm Key, three layers! Inside and out, all together three layers!” Borjigin Nian replied, batting his eyes, innocently explaining, ”According to the refining method of the Thousand-Year Cold Iron, a fusion of ice and fire, it requires three years to mold a single piece of Cold Iron, so...”

”People of the Sand Sea, if they want to use the world’s smelting methods to break through the three layers of Cold Iron protection, at least, it will take them nine years... That is, if they can gather the Sky Mountain Ice and Unfounded Fire to smelt the Thousand-Year Cold Iron...”

Gu Changsheng, upon hearing Borjigin Nian’s words, was instantly thrown into confusion within the carriage...

Her heart was trembling...

Trembling uncontrollably!

Three layers!

Three layers of Copper Walls and Iron Ramparts forged from Thousand-Year Cold Iron!

Gu Changsheng genuinely wanted to ask Borjigin Nian’s ancestors, how much wealth did you spend to gather enough Thousand-Year Cold Iron to forge three layers of Copper Walls and Iron Ramparts? How much manpower, resources, and time did it take to forge the Thousand-Year Cold Iron into Copper Walls and Iron Ramparts?

Seeking answers!

Seeking to be proven wrong!

This is completely akin to constructing a Pyramid, an achievement most impossible to complete in the world!

It’s simply...

Utterly...

Unimaginable!

Truly, it’s too terrifying!

Gu Changsheng had a horrified expression, you could say she was making a fuss!

However, even the ever-composed Zhou Mu, at this moment, had a face like a Divine Residence, was also full of shock!

Clearly, he too was scared by the grand designs of the Northern Mongolian Royal Family’s ancestors!

Regardless of whether it’s creating a phone or forging, this is an incredibly vast project, so vast that it requires countless generations, one after another, completing it day and night, without ceasing...

”Borjigin Nian, hearing you say this, I suddenly have no hope of getting the Secret Realm Key...” After a long moment, Gu Changsheng finally snapped back to reality from her shock, shook her head, and said woodenly.

Three layers of Thousand-Year Cold Iron Copper Walls and Iron Ramparts, damn it, even if she wasn’t a god, she couldn’t break through it even if she was a god!

That thing is so solid it completely renders heroes useless, right? It’s so solid that it’s exasperatingly impossible to do anything, right?

Upon hearing Gu Changsheng’s words, Borjigin Nian immediately rolled his eyes exaggeratedly, opened his mouth as if looking at an idiot, ”Gu Changsheng, are you stupid? Or do you take my ancestors for fools? My ancestors used Thousand-Year Cold Iron to forge three layers of Copper Walls and Iron Ramparts; how could they be sealed dead? They left a door open!”

”Leaving a door open? Leaving a door is good! Leaving a door is good!” Upon hearing this, Gu Changsheng immediately breathed a long sigh of relief, patted her chest, and spoke as if still in shock.

Damn it, leaving a door open just proves she has a chance at getting the Secret Realm Key!

Otherwise, Gu Changsheng would seriously doubt that faced with three layers of Thousand-Year Cold Iron Copper Walls and Iron Ramparts, she would indeed be like an idiot, unable to do anything!

”Three layers of Thousand-Year Cold Iron, three gates, three keys!” Gesturing with his hands to signify the number three, Borjigin Nian spoke enthusiastically.

Upon hearing these words, Gu Changsheng’s eyes widened, ”Damn it, there’s also a key?”

Are you kidding her?

Within these three layers of Thousand-Year Cold Iron Copper Walls and Iron Ramparts, isn’t the Secret Realm Key stored? Isn’t it a key?

”Gu Changsheng, you idiot! There’s no lock on the door, just wide open, why would my ancestors bother to forge Copper Walls and Iron Ramparts? To let the wolves in?” Upon hearing this, Borjigin Nian immediately raised his hand and slapped Gu Changsheng on the forehead, speaking fiercely, ”If there’s a locked door, then naturally there’s a key!”

”Alright, alright! There’s a key! There’s a key!” Gu Changsheng, rubbing the forehead that Borjigin Nian slapped, nodded repeatedly as her lips twitched, then extended her slender, fair hand naturally, ”So, hand it over!”

”Hand over what?” Borjigin Nian asked, with a face full of confusion.

Seeing her reaction, Gu Changsheng glared again, ”The key to the three gates!”

Upon hearing this, Borjigin Nian’s expression turned stiff.

Gu Changsheng wasn’t a person with much patience and disliked waiting tremendously. Seeing this, she couldn’t help but urge, ”Hurry up! After all this talk, finding the Secret Realm Key isn’t hard, damn it, it’s in your National Treasury! Quickly give me the three keys to that door!”

Grandma, she’s already itching to get those three keys and obtain the Secret Realm Key, to throttle Fufeng Tianlan and the others by the throat!

This is simply the rhythm of a serf turning to sing!

Since both the ancestors and the current Sand Sea Wolf Tribe care so much about the Secret Realm Key, it proves that this thing is absolutely crucial to the Sand Sea Wolf Tribe! Extremely important!

Gu Changsheng is most willing to grab someone by their pigtails, especially when that someone is an enemy. Gu Changsheng indicates that she is absolutely more than willing for such matters! Absolutely!

”Hurry up, hurry up! Give it to me quickly!”

Under Gu Changsheng’s repeated urging, Borjigin Nian’s expression became awkward...