"Hmm! Boss, look, there's a slot here too." Zhuorong Town said as he walked to the corner of a door with a 100-watt flashlight.

Upon hearing this, Ye Hao walked over, and Lu Yunsong also held a flashlight to illuminate the way for Ye Hao.

Ye Hao came to Zhuorong Town's side and crouched down to look at the slot. When he saw that it still read "Great Ming Dynasty," he secretly rejoiced, thankful he hadn't carelessly left the Jade Seal outside, or else they would be truly stuck, unable to get in or out.

"Again 'Great Ming Dynasty'." Ye Hao frowned and said.

At this time, Lu Yunsong discovered another slot nearby and quickly said, "Boss, there's another slot here!"

Upon hearing this, Ye Hao came to the door where Lu Yunsong was.

Ye Hao lowered his head to take a look and saw another slot with the words "Great Ming Dynasty."

Without turning his head, Ye Hao said to Tao Feng: "Tao Feng, go check the other doorways to see if there are also slots, and check the script."

Tao Feng, upon hearing, examined the five doors to the east, west, and south. Each had a slot, plus the two seen by Zhuorong Town and Lu Yunsong, there were now seven slots.

"How is it?" Ye Hao asked, seeing Tao Feng return.

"Boss, each has a slot with the words 'Great Ming Dynasty' inside." Tao Feng replied upon returning.

"Each has a slot? What on earth is this for?" Ye Hao frowned to himself, wondering which slot to use out of so many. What would be the consequences of choosing incorrectly?

"Boss, could this be some kind of formation?" Tao Feng also frowned and asked.

"I think it might be, but with so many of us, none of us are trained in formations, right?" Ye Hao asked.

Xue Zhaolong and Flying Fish both shook their heads, and Tao Feng helplessly spread his hands, while only Zheng Guang frowned quietly.

Ye Hao asked, seeing Zheng Guang's expression: "Elder Zheng, have you figured out something?"

"Young master, I think this might be the kind of formation Tao Feng mentioned, but it seems like this formation is missing something." Zheng Guang frowned.

"What is missing? What type of formation is it?" Ye Hao asked.

"I can't say exactly what's missing right now, but given the current directions and layout of the doors, it seems like an Eight Trigrams formation. The Eight Trigrams formation includes Luoshu, Jiugong, Celestial Sorrow, Dragon Slayer, etc. If it's Celestial Sorrow, there's big trouble; Dragon Slayer would be a death formation, and we can rule out Dragon Slayer. Jiugong is too common, so it's unlikely to be the emperor's tomb formation. So, that leaves only Celestial Sorrow and Luoshu." Zheng Guang frowned.

"Why rule out Dragon Slayer and Jiugong?" Tao Feng asked in confusion.

Ye Hao also looked at Zheng Guang, wanting to understand more.

"Jiugong is too common; anyone with a basic understanding of Fu Xi's Eight Trigrams can understand Jiugong. Dragon Slayer is a death formation, an unsolvable formation. It's impossible for Ming Taizu to set his tomb as a death formation, which in ancient times was a formation that harmed the master, so only Celestial Sorrow and Luoshu remain." Zheng Guang explained.

"What is Celestial Sorrow? Luoshu?" Tao Feng asked, as he saw Ye Hao listening.

"Celestial Sorrow, generally speaking, doesn't kill, but if you take too long to solve the formation without breaking it, it will kill you. Just like people say 'untimely death'; you live for over ten years without dying, but suddenly die after. That's Celestial Sorrow. In terms of formations, you can break it, but not exceed a certain number of attempts, which is usually determined by the person who set up the formation; perhaps once, maybe twice, or three times." Zheng Guang said.

Ye Hao nodded and asked again: "And Luoshu?"

"Luoshu has two legends. The first legend is from a long time ago when a dragon horse emerged from the Yellow River northeast of Luoyang, carrying the River Map, and presented it to Fu Xi. Fu Xi used the River Map to develop the Eight Trigrams. Another legend is from west of Luoyang in Luoyang County, where a divine turtle emerged from the water carrying the River Map and presented it to Dayu. Dayu then used it to control floodwaters, dividing Jiuzhou, leading to the legend of 'River Map emerges, Luoshu appears.' Luoshu has been passed down over time, though later generations greatly simplified it." Zheng Guang explained.

"Is the Luoshu Array dangerous?" Ye Hao asked.

"The Luoshu Array could be considered both dangerous and not dangerous."

"How so?"

"The Luoshu is simple yet complex. Simply put, it moves from an unknown starting point to a prescribed Surging position, then to Exchange and Quake." What Zheng Guang said left Ye Hao and the others puzzled.

With no other choice, Zheng Guang asked Ye Hao: "Young master, do you have paper and pen?"

"Yes." Ye Hao produced a pencil and white paper from his space.

Zheng Guang drew a circular pattern on the white paper and wrote Qian, Exchange (metal); Quake, Surging (wood); Kun, Gen (earth); Leave (fire); Kan (water) at four directions.

After drawing, Ye Hao asked: "Elder Zheng, what is this?"

"This is a simple embryo of the Luoshu formation." Zheng Guang smiled.

"What position are we in now, based on where we entered?" Ye Hao asked.

"We should be in the Kun position, but the Kun position lacks a door." Zheng Guang frowned, as the missing door confounded his thought that without this door, the formation would be ineffective, yet he knew it was unlikely to be missing and he must have overlooked something.

"Can you describe the other doors?" Ye Hao asked.

"Without the Kun position, I can't mark anything else." Zheng Guang said helplessly.

"What if there was a Kun position?"

"If there was a Kun position, then moving up from the right would be Gen, Kan, Surging, and up the left is Quake, Leave, Exchange, with Qian in the center." Zheng Guang said.

Ye Hao quickly visualized a model in his mind, marking various positions, also rapidly thinking which could be the Kun position. If the Kun position couldn't be found, it's like not finding the only position where they could enter.

"Boss, this is too complex, but I think there should be eight doors in the Eight Trigrams, right? We only have seven doors now; could the door we came through earlier... be the Kun position you mentioned?" Xue Zhaolong asked.

Zheng Guang's eyes lit up at this, right! Didn't they enter through a door earlier? Perhaps that door was part of these doors?

"I think I've figured it out." At this moment, Ye Hao laughed.

Zheng Guang also nodded and smiled: "Young master, I understand too, haha, we owe it to Little Brother Long's reminder!"

Xue Zhaolong was startled at this, had he really helped them realize something without even noticing it?

"I...I didn't seem to say much?" Xue Zhaolong asked in confusion.

"Haha, no worries, you were puzzled by it while Elder Zheng was inspired by your remark." Ye Hao laughed.

Zheng Guang quickly drew several route lines on the map.

He explained to Ye Hao as he drew: "Young master, would you please head to the Surging position?" (To be continued. If you like this work, please go to Qidian (qidian.com) to vote for recommendation and monthly tickets, your support is my greatest motivation. Mobile users please read at m.qidian.com.)

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