"It's alright, Venerable Lord, I think I can handle it. It won't affect the plan."

The Bone Emperor hesitated for a moment, but in the end, didn't speak.

After all, he wasn't sure if his earlier calculations were correct. Telling the Venerable Lord might distract him.

Moreover, the Venerable Lord had already paved the way for them, helping to restore their physical bodies and pointing them in the right direction. All four of them needed to venture into the River of Time and deliver the Black Coffin to the past to complete the task.

If the Venerable Lord had to worry about everything, then wouldn't they be useless?

.....

"Hmm."

"As long as you can handle it, that's good."

"Remember what I said, you must complete it."

With that, the phantom figure vanished into the void, and the entire Black Central Realm returned to silence.

....

Among the Four Emperors, the Bone Emperor had the highest cultivation, as a Fifth Realm Celestial Immortal, followed by the Dark Emperor, a Four Realms Celestial Immortal.

The other two, Emperor Huan and the Southern Emperor, were both Third Realm Celestial Immortals.

"Emperor" was merely a title given by the outside world. They were far from being true "Emperors."

As long as one reached the Celestial Immortal Realm, they could step foot in the River of Time.

However, they couldn't stay long in the River of Time; returning to the past of seven thousand years was already their limit.

If they stayed longer, the disordered temporal rules would mercilessly erode their bodies. In an instant, they would be completely consumed by the River of Time, reincarnation and all, disappearing entirely from the world.

...

"We need to hurry."

With that, the four of them unleashed their presence to explore the River of Time that connected the Ten Thousand Realms, the legendary River of Rules.

After a long time, the four suddenly opened their eyes, having determined the temporal coordinates. They pulled the Black Coffin, tearing through the void, and traversed toward that River of Rules.

Who knows how long passed, the ever-changing void chaos around them gradually solidified.

Their vision cleared, and the four stood on top of the Black Coffin, which floated on the river's surface.

"Shrink a little, will you!"

"I'm about to be pushed off!"

The Bone Emperor, usually composed, angrily scolded the three burly figures behind him.

This Black Coffin was already narrow, with limited space to stand. Couldn't they be a bit smaller?

If someone accidentally fell into the Time Water, not even the highest immortal could save them.

...

At this, the other three Emperors used their Divine Techniques to shrink their bodies to match that of the Bone Emperor, a standard one meter eighty.

After shrinking, the wobbly Black Coffin stopped shaking and began to drift smoothly downstream.

Though they were Celestial Immortals, they barely managed to step into the River of Time, relying solely on other "mediums" to cross it.

This "medium" was the Black Coffin, made from the legendary Wood of Time, able to resist the erosion of Time Water for a short period.

...

"This is my second time stepping into the River of Time. It's quite emotional."

The Dark Emperor stood on the Black Coffin, gazing at the seemingly endless River of Time, expressing bursts of sentiment,

recalling the first time they ventured into the River of Time, merely trying it out, and they were lucky to have a senior leading them. Otherwise, they almost perished on the River of Time.

"The Bone Emperor must have come many times, right?"

Hearing this, the Bone Emperor merely shook his head and said, "Fourth time."

The remaining Southern Emperor and Emperor Huan appeared slightly anxious, mingled with a touch of excitement.

As it was their first time stepping into the legendary River of Time, this River of Time didn't appear vast or grand, but it constrained all the temporal rules of All Heavens and Myriad Realms.

It's said that each drop of water from this River of Time could be an entire small world!

But this was just a legend—no one has verified it, nor does anyone have the ability to.

...

"Actually, it's nothing special."

"After you come a few more times, you won't feel like this."

The Bone Emperor said to the Southern Emperor and Emperor Huan.

Having successfully crossed the River of Time three times before, he was used to it now—as long as he avoided falling into the river and didn't linger too long, he'd be fine.

Moreover, they were Celestial Immortals, and even they felt this way. There's no need to mention the powerful Immortal Kings and Immortal Emperors.

In the eyes of the Supreme beings like Immortal Kings or Immortal Emperors, the River of Time? It was simply a casual destination.

For such beings, who could already influence the Time Rule—even if they couldn't kill you immediately, they'd reverse the River of Time to kill you. How could you defend against that?

The Ten Thousand Realms had been manipulated into chaos by Immortal Emperors who treated the River of Time as their backyard.

Now, the wars among the supreme Immortal Sects, supreme forces, and supreme powerhouses weren't simply about punching and kicking or avenging sons and disciples.

Instead, they directly started from the River of Time—if I can't defeat you now, can I not defeat you a thousand years ago?

When your power has grown strong enough to rival mine, I'd flow back upriver to when you established your sect and mess it all up, destroying even the tiniest detail. How could you possibly rise up?

This was called snuffing it out at the source!

Just like the current Four Emperors, finding the main battlefield challenging, they considered starting from the River of Time.

"It's rather quiet..."

Upon entering the River of Time, the Bone Emperor felt something was amiss—it was unusually quiet.

He remembered it was bustling the last time he came to the River of Time.

Sometimes, at the same time, various Celestial Immortals, Immortal Kings, or other powerful Immortal Emperors traversed this river.

Upon encountering someone they recognized, they would wave to greet them; or if it was an enemy, they had to quietly follow them—there was simply no gamble!

Who knew if the other party might go and bully your younger self!

Would you dare not follow?

Not following might result in your childhood vulnerabilities being exploited, leaving you without heirs!

Vicious? No. Childish? No.

Wars among the true strong are often that plain and straightforward!

However, none dared to fight on the River of Time as it was too dangerous; no enmity was worth risking a battle here.

.....

Seated on the coffin, they had floated downstream for nearly an hour and hadn't encountered anyone!

This was surprising to the Bone Emperor.

Since when had the River of Time become so deserted?

....

Unbeknownst to them, mist began to rise over the river.

Seeing the mist, the Bone Emperor's face changed dramatically. He barked at the other Three Emperors, "Do not use even a thread of Spiritual Power! Don't perceive, don't breathe; in short, don't make any unnecessary moves!"

This was the Time Mist that struck fear into countless powerhouses.

Once lost, you fall into an eternal cycle of time reincarnation, failing ever to escape.

The most effective method was to remain calm, not disturbing this Time Mist—going with the flow. The more you resist, the deeper you become ensnared.

The rest relied on Celestial Mandate, as this River of Time was the River of Rules. Even ordinary mist was a form of the Power of Rules, and neglecting it might easily cost lives.

At that moment, as they looked ahead, they saw a vaguely human figure in the mist, stepping toward them across the water...

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