Having just opened the fifth box, Mu Chen still saw a golden elixir. However, he was not disappointed; golden elixirs are also extremely terrifying and brought Mu Chen surprise as well.

The sixth was also an elixir, but it was crystal-colored, quite bizarre.

"Not a simple elixir! Perhaps even more terrifying than the golden elixir, this is something."

The seventh was an apple-sized black sphere, which was quite uncanny.

"A black sphere, it seems to emit powerful energy; can it explode and kill?" Mu Chen curiously asked, as something came to his mind.

"Let's see the eighth one, hopefully something practical will come up." Mu Chen said, opening the eighth box.

"An eye?" As soon as he opened it, Mu Chen saw a green eye emitting a strange aura.

"A green eye, could it be a kind of ability?" Mu Chen wondered, really curious.

"Should I try it?" Clutching the green eye, Mu Chen seriously considered, eager to give it a try.

"Let's give it a shot! If I don't even dare to try the things I've obtained, that's not my style." Mu Chen said, directly letting the green eye enter his right eye.

The reason Mu Chen dared to try it directly was that he used the Divine Dragon Eye to inspect it, finding no traces of evil energy or soul energy.

As the eye entered, changes occurred immediately, directly merging into Mu Chen's eye. The entire process had no discomfort, effortlessly accepting the green eye, completely becoming his own.

The process was somewhat uncanny and complex, and Mu Chen didn't quite understand it. Anyway, the eye naturally turned into his eye, with all the nerves accepting the green eye.

"What is this ability?" After acquiring the green eye, Mu Chen felt some incredible energy from it, rumored to be the power of invisibility.

"Can this energy make one nihil?" Mu Chen said as he emitted the energy from the green eye, enveloping himself, and for a moment, even Mu Chen couldn't see himself anymore.

"Wow, amazing, incredible, invisibility; this time, I can truly assassinate anyone, any strong one." Mu Chen exclaimed, radiating an unprecedented murderous intent.

Mu Chen was truly ecstatic; with the power of invisibility, it would be effortless to kill without leaving a trace if wielded skillfully.

"Having examined all eight mysterious boxes, now it's time to see the energy of the golden energy chunk, and just how terrifying it is." Mu Chen said, immediately taking the smallest energy chunk to refine.

Mu Chen activated the Divine Dragon Technique, utilizing the devouring capability of the Divine Dragon Body, and crazily refined it. However, just after starting, Mu Chen was shocked as the energy flooded into his body. Yet, the energy of the golden chunk was immense, making it hard to refine completely, unless continuous refinement was done through breakthroughs.

"The item is good, but unfortunately, time is limited. I can only wait to leave the Boundaryless Space, then find time to refine it." Mu Chen said as he held a golden elixir in his hand.

"I wonder what effect this elixir will have. Might as well take a chance." Mu Chen said, taking out the golden elixir and swallowing it directly.

Mu Chen dared to swallow this elixir because the golden elixir emitted gentle energy, not terrifying energy. Even if the elixir was fierce, Mu Chen was confident he could refine it slowly.

"Here goes." Mu Chen activated the Divine Dragon Technique, emitting the aura of the Divine Dragon Body, madly refining the elixir's power.

"Not good." As soon as he touched this energy, Mu Chen's face changed dramatically; the energy was too terrifying, and his body felt on the brink of explosion.

"Ah... Damn… I was too arrogant..."

Mu Chen roared, frantically suppressing and gathering all energy to curb the elixir's power.

"Not good, truly too terrifying."

Mu Chen was shocked; the energy was pouring into various parts of his body, and Mu Chen bled as the power wreaked havoc, making it hard to suppress it all despite his formidable strength.

"Colorless energy suppression, black energy suppression, soul power, Divine Dragon Body, Chaos Fire, Divine Dragon Technique." Mu Chen shouted, amassing any usable energy to suppress the energy of the golden elixir.

"Ah… Damn…" Mu Chen continued to roar; the energy was so vast that neither Nihility Realm nor Sealess Realm powerhouses could devour it, Mu Chen had ventured into a minefield.

"The seemingly inconspicuous golden elixir, such potent medicinal power. I should have started with just a little." Mu Chen regretfully said, truly regretting.

Mu Chen's soul-splitting cries piqued others' interest, unsure what exactly Mu Chen was experiencing outside the black energy.

"My husband," Mu Chen's women one by one expressed concern, deeply worried about Mu Chen's situation.

"This kid, practicing some self-destructive Cultivation Technique or Martial Arts? His screams are so harrowing." The Emperor, speechless, unsure what Mu Chen was going through.

"Divert some energy through the physical body, while other energy breaks through into the peak of the Nihility Peak."

Mu Chen shouted, under intense suppression, refining slivers of energy into his body and into the space of nihility, achieving more breakthroughs.

"Come on! Come at me! Let me see just how terrifying you are."

Mu Chen roared, continuing with refining and suppressing energy; although the strength battered his body, he gained advantages just the same.

The phrase "no pain, no gain" was apt for Mu Chen's cultivation.

Time passed, and half a day later, Mu Chen had refined one-third of it, with his physical body breaking through to the Sealess Realm. The breakthrough was more from utilizing endless energy rather than enlightenment, while his Realm reached the peak of the Nihility Realm, yet still shy of the ultimate peak, requiring considerable energy.

"Now it can be suppressed." With physical breakthrough, and strength breakthrough, Mu Chen felt the remaining two-thirds energy easily suppressed, and ceased refining the energy further.

"The inheritance in the Human Clan Space, who exactly set it up, so fearsome with so many benefits." Mu Chen thought, somewhat stunned.

"Forget it, I've lingered too long; better go out and check on them first." Mu Chen said as he retrieved the black energy and appeared outside in a blink.

"How's it going?" Mu Chen, upon dissolving the black energy, asked the crowd in discussion around him.

"What were you doing in there, such loud cries, something's different—with your aura, appearance, some changes too!" The Emperor initially questioned but then was astonished.

"Seems like you've had a breakthrough." Hera earnestly remarked.

"Just a minor breakthrough, but how about your side?"

"We've gotten everything." Hera replied first, tossing out weapons.

All the items consisted of nine knives—Mu Chen initially obtained one, ten swords, four tridents, two sticks, one fan, two spears, three chains, one cauldron, and two mirrors.

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