Chapter 644: Chapter 346: The Mystical Sky Sword of Sky Sword Mountain After an unknown amount of time, the two woke from this mysterious realm. They exchanged a smile, their eyes brimming with deep satisfaction and joy. "It feels like we’ve lived in this virtual world for ages," Gu Sheng remarked. "Indeed, it felt like a lifetime," the Yaochi Saintess responded softly. "And our cultivation has visibly improved." Gu Sheng assessed the power within his body, delightfully discovering that he had broken through from the Sixth Layer Heaven of the Navel Wheel Realm to the Eighth Layer Heaven. The Yaochi Saintess had similarly advanced, leaping from the Second Layer Heaven to the Seventh Layer Heaven. Their breakthroughs triggered celestial phenomena; purple energy surged three thousand miles eastward, as though an Immortal Realm had descended. "The results of our Dual Cultivation are astonishing!" Gu Sheng exclaimed, gripping the Saintess’s hand excitedly. "Thank you, Saintess." The Saintess’s face flushed crimson, and she murmured, "I should thank you too, Gu Sheng. This Dual Cultivation brought me many insights." At that moment, the sky suddenly rumbled, and endless thunder gathered into a vast sea of lightning, as if intent on obliterating everything. This was one of the celestial phenomena brought forth by their Dual Cultivation. Gu Sheng and the Saintess shared a knowing smile, hand in hand as they stepped out of the bamboo forest. They understood that this Dual Cultivation had not only elevated their cultivation but also deepened their comprehension of the Dream Butterfly Atlas’s mysteries. As they emerged, the thunderous sea in the sky gradually dissipated, though the phenomena had not entirely vanished. Streams of purple energy rose from the east, intertwining with clouds to form an exquisite painting in the heavens. Yaochi Holy Land and other factions were awestruck by the sight. People stepped out of their dwellings, gazing skyward and discussing fervently. "What is this phenomenon? Could it be the emergence of a treasure?" "No, it looks more like someone triggered celestial phenomena through a cultivation breakthrough." "Could it be Gu Sheng and the Saintess? They were engaging in Dual Cultivation earlier, weren’t they?" As discussions erupted all around, Gu Sheng and the Saintess merely exchanged smiles and made their way deeper into Yaochi Holy Land hand in hand. The Yaochi Saintess suddenly had an inspiration and led Gu Sheng to Sky Sword Mountain within the Holy Land. Sky Sword Mountain, where Sword Qi soared like a rainbow, piercing the clouds. At the mountain’s summit, Sword Qi converged and crisscrossed, as though countless sharp blades lay hidden in the Void, ready to strike at any moment. This was the forbidden zone of Yaochi Holy Land and the ultimate sacred ground of Sword Dao. The Yaochi Saintess and Gu Sheng approached hand in hand. Their presence seemed to stir the Sword Qi within Sky Sword Mountain, making it even more turbulent. "This is Sky Sword Mountain," the Saintess softly declared, her voice imbued with a mysterious power that made the surrounding Sword Qi tremble. Gu Sheng surveyed his surroundings, determination blazing in his eyes. "The sharpness of the Sword Qi here makes it the perfect place for cultivation." They exchanged a smile before activating the Jade Maiden Heart Sutra together. Their combined swords formed a dazzling virtual spatial barrier, isolating the fierce Sword Qi around them. Side by side, they advanced toward the core of Sky Sword Mountain’s cavern. At the cavern’s core, the two continued their Dual Cultivation. Their minds were so attuned that they seemed to enter a fantastical, transformative world. There, they soared together, sometimes transforming into butterflies chasing flowers, gracefully dancing; at other times becoming drifting leaves carried by the wind; and occasionally morphing into a radiant sky, studded with dazzling starlight. Time seemed to stand still, with only their hearts exchanging thoughts and colliding in harmony. After what felt like an eternity, they awakened from the transformative world. In that moment, they felt an unprecedented surge of power. Both of them simultaneously broke through—stepping into the Ninth Layer Heaven of the Navel Wheel Realm! Endless heavenly lightning rained down, massive bolts as large as mountain ranges, threatening to engulf all of Sky Sword Mountain. Within the sea of lightning, the shadow of the Heavenly Sword materialized repeatedly, as though a Heavenly God had descended, wielding a colossal sword shadow, pounding down upon Sky Sword Mountain. The people of Yaochi Holy Land gazed at the spectacle in shock, their conversations escalating around them. "What is happening? Could it be Gu Sheng and the Saintess cultivating?" "Unbelievable! Their cultivation actually broke through!" "These heavenly lightning phenomena are utterly unprecedented!" Meanwhile, elite masters from various sects had also taken notice of the upheaval. They began discussing the cause and significance of the celestial phenomena. But atop Sky Sword Mountain, Gu Sheng and the Saintess seemed as though they existed in another world. They felt each other’s breaths and heartbeats, as if they had become one. "We did it!" Gu Sheng exclaimed enthusiastically as he gripped the Saintess’s hand. The Saintess smiled faintly. "Yes, we did it." Their gazes were full of hope and unwavering confidence in their future. They knew that this Dual Cultivation had not only brought a qualitative leap in their cultivation but also bonded them even closer together. Suddenly, an unexpected mutation occurred! A massive shadow of the Heavenly Sword abruptly struck Sky Sword Mountain! "This is bad! It’s the trial of Sky Sword Mountain!" the Saintess gasped in alarm. Gu Sheng’s eyes flickered with determination. "Let’s face it together!" The two joined hands, channeling their powers to form a formidable barrier that blocked the shadow of the Heavenly Sword’s assault! But this was only the beginning—more shadow strikes followed in quick succession! Gu Sheng and the Saintess fought valiantly to withstand the attacks. Each blow brought immense pressure upon them, but they refused to give up. Instead, they strengthened their cooperation, facing the trial together! Through their relentless struggle, the shadow attacks gradually weakened until they finally ceased. "Buzz——" As the shadow of the Heavenly Sword dissipated, the internal space of Sky Sword Mountain suddenly trembled. Then, in its central part, a bottomless well slowly emerged.