Why did you provoke her? Even Heaven itself is afraid of her.

Ling Yun nodded slightly.

"So, Situ Qingming seems like a good person. Then let's go to Pluto."

After saying that, Ling Yun was about to leave with Qin Feng and Xiao Bo.

"I can't leave yet!" Xiao Bo said proactively.

Ling Yun glanced at him. "Give me a reason."

Xiao Bo answered truthfully: "As the master of this Neptune universe, once I leave with the Heart of the Universe, the billions of living beings in this universe will slowly lose their vitality until they die."

“That’s easy, just leave the Heart of the Universe behind and everything will be fine,” Ling Yun reminded him.

Xiao Bo shook his head with a wry smile.

“The Heart of the Universe is connected to my mind. If I leave the Neptune universe, even if it remains, it will fall into slumber and will no longer be able to protect the living beings of this world.”

"I need to solidify the foundation of the universe here, repair the previously damaged defense system, and ensure that there are no more flaws in the Neptune universe."

"Furthermore, I also want to use this time to carefully study the detailed reasons for the disorder of Neptune's cosmic defense system. Perhaps we can find clues about the secret passage set up by the Black Hole Saint King, which may be helpful for our subsequent actions."

Ling Yun pondered for a moment and felt that Xiao Bo's words made sense.

"Alright, then you should take care of things here as soon as possible. We'll be waiting for you in the Pluto universe. Once there's progress, come and join us immediately."

"Don't worry, Goddess Lingyun, I will definitely meet with you as soon as possible," Xiao Bo solemnly promised.

After bidding farewell to Xiao Bo, Ling Yun and Qin Feng set off towards the Pluto universe.

Along the way, they dared not relax in the slightest, remaining vigilant at all times, fearing that they would be discovered by the Black Hole Saint King's spies.

After a long interstellar journey, they finally reached the edge of the Pluto universe.

As soon as you enter, a cold and eerie aura hits you.

The surrounding space seemed to be shrouded in a dark mist, and the starlight appeared dim and lackluster.

"The environment of this Pluto universe is truly unique," Ling Yun said, frowning.

"Yes, Sister Lingyun. The Pluto universe is known for its abundant Yin energy, and its cultivation methods are mostly biased towards Yin and cold attributes," Qin Feng explained.

As they ventured deeper, they soon detected several powerful auras roaming nearby.

These auras, whether hidden in the darkness or moving among interstellar dust, are clearly masters from the Pluto universe.

"Be careful, it seems things aren't going well here."

Ling Yun gripped his weapon tightly with vigilance.

Just then, a dark shadow swept past overhead, bringing with it a biting gust of cold wind.

Ling Yun reacted quickly and immediately swung his sword at the dark figure.

With a muffled groan, the dark figure tumbled a few times in the air before disappearing into the darkness.

"Who goes there?" Ling Yun shouted sharply.

However, all that answered them was deathly silence.

Qin Feng circulated his spiritual power, trying to sense the movements around him, but found that his perception was greatly limited here.

"Sister Lingyun, the yin energy here is too heavy, which affects our perception and the use of spiritual power," Qin Feng reminded her.

Ling Yun nodded. "It seems we need to find Situ Qingming as soon as possible and seek his help."

They continued on their journey, encountering several more attacks from unidentified individuals along the way, but they managed to thwart them all.

As they ventured deeper into Pluto's universe, they discovered that most of the planets there had a somber, grayish hue, their surfaces covered by a thick layer of purple mist.

These wisps of mist shimmered with a chilling light, as if they contained boundless power.

Finally, they arrived at the core region of Pluto's universe.

A colossal black castle stands on a desolate planet.

The castle was surrounded by a powerful energy shield, emanating a chilling aura.

"This should be Situ Qingming's residence," Qin Feng said.

Ling Yun stepped forward and loudly addressed the protective barrier: "Situ Qingming, Ling Yun and Qin Feng have come to visit. Please grant us an audience."

After a moment, the protective barrier slowly opened, and a man in a black robe with a cold expression walked out of the castle.

His eyes revealed a deep chill, as if they could see through a person's soul.

"Goddess Lingyun, Young Master Qin Feng, how have you been?" Situ Qingming said with a slight bow.

"Brother Situ, it's been a long time. I've come to ask you for a favor." Ling Yun stated his purpose directly.

Situ Qingming frowned slightly. "I heard that the Zhouyuan Spiritual Treasure was taken away by the Black Hole Saint King. This matter is indeed troublesome. However, the Xuanming Undying Technique that you mentioned can change one's aura, but this technique is extremely profound and difficult to cultivate. It also requires a special cultivation environment and resources. It will probably not be easy to master it in a short period of time."

"No matter how difficult it is, we must try," Ling Yun said firmly. "This is our only hope to reclaim the Cosmic Essence Treasure and fight against the Black Hole Saint King."

Situ Qingming pondered for a moment, "Since that's the case, I'll lend you a hand. In my Pluto universe, there is a Xuanming Land, an excellent place to cultivate the Xuanming Undying Technique. Moreover, I will provide you with the necessary cultivation resources and techniques."

"Thank you very much, Brother Situ," Ling Yun and Qin Feng said gratefully.

Led by Situ Qingming, they arrived at the Xuanming Land.

This is a huge underground cave, filled with a thick, eerie atmosphere.

Black liquid flowed on the ground, emanating a chilling aura.

"This is the Xuanming Land. You shall cultivate here. I will protect you from outside. If you need anything, please call me anytime," Situ Qingming said.

Ling Yun and Qin Feng entered the cave and found a relatively quiet place to begin their cultivation.

Following the cultivation techniques and secret manuals provided by Situ Qingming, they circulated their spiritual power and absorbed the surrounding yin energy.

At first, they found it very difficult, as the yin energy seemed to have its own consciousness and constantly resisted their absorption.

But as time went on, they gradually mastered the trick, and the yin energy began to be successfully absorbed into their bodies.

However, the process of cultivation is not always smooth sailing.

As they absorbed the Yin energy, their spiritual power began to become disordered, and a cold aura raged within them, attempting to break through their meridians.

Ling Yun and Qin Feng gritted their teeth and used all their spiritual power to resist.

They knew that this was a necessary test to undergo in cultivating the Xuanming Undying Technique. If they could not overcome it, not only would they fail to master the technique, but they might also suffer from qi deviation, endangering their lives.

Just as they were locked in a stalemate with the icy aura within their bodies, a strange fluctuation suddenly appeared in the cave.

Countless black wisps of mist rose from the liquid on the ground, coalescing into hideous ghost faces that lunged at them.

These grotesque faces emitted mournful cries, as if demanding their lives.