Episode 31 recap: Xiao Yan and Xun'er entered the Heavenly Tomb.

Xiao Yan was heavily injured while saving Xun'er. Xiao Yi Xian arrived in time and administered Bodhi Fruit to Xiao Yan. Gu Yuan ordered everyone to protect Xiao Yan and return to the Gu Clan. When Xiao Yan saw Yao Chen remain silent, he knew that his time was running out.Indeed, after Yao Chen diagnosed and treated him, he informed Xiao Yan that the Bodhi Fruit could only temporarily protect his meridians. If Xiao Yan couldn't control the Jing Lian Yao Huo within his body, it would continuously absorb his Dou Qi until he exhausted his vitality. Xiao Yan asked Yao Chen how much time he had left, and Yao Chen replied, "Only ten days."

Xun'er requested her father's permission to enter the Heavenly Tomb, as only by absorbing energy from within could they suppress the Jing Lian Yao Huo. Her father worried about her safety, but Xun'er told him that her life was saved by Xiao Yan. If Xiao Yan encountered any danger, how could she live on alone?

Xun'er approached Xiao Yan and requested to accompany him into the Heavenly Tomb. Yao Chen's eyes lit up upon hearing this, as if the Heavenly Tomb truly held the source of power as legends described, it was worth a try. Xiao Yan was puzzled because he lacked bloodline power, but Xun'er looked at him firmly. Realizing that Xun'er intended to accompany him into the Heavenly Tomb, Xiao Yan couldn't help but worry for her.

However, Xun'er assured him not to worry and to believe in her. Gu Yuan and Yao Chen escorted Xun'er and Xiao Yan to the entrance of the Heavenly Tomb. Gu Yuan warned them that the tomb buried the ancestors of the Xiao Clan and the Gu Clan. In the past, they sacrificed their physical bodies to battle the Soul Palace, but their Dou Qi accumulated within the tomb. The ancestors of the Gu Clan left behind a formation there, which only those with divine bloodline could unlock.

Throughout the centuries, numerous people came driven by its reputation and desired to break in, but it became the burial ground for the greedy. Gu Yuan told Xiao Yan and Xun'er the prophecy to open the formation: "To acquire, one must first give." He urged them to keep it in mind. Xun'er led Xiao Yan and they entered the Heavenly Tomb. Yao Chen expressed his emotions to Gu Yuan, saying that perhaps it was fate. A thousand years ago, the ancestors of the Xiao Clan and the Gu Clan sacrificed themselves here to protect future generations, and now their descendants entered for the same purpose.

Gu Yuan also prayed, hoping that their ancestors would protect the two of them. After entering the Heavenly Tomb, Xiao Yan and Xun'er quickly lost sight of each other. Xun'er felt the presence of barriers within.

Xiao Yan also felt a powerful energy, and it seemed that he could no longer control the Jing Lian Yao Huo within his body. Xun'er heard Xiao Yan's voice and became very worried about his situation. Xiao Yan suppressed the intense discomfort and reminded Xun'er to calm down and find the right door to open it. Xiao Yan encouraged Xun'er because she had the power of her bloodline, which had always given her strong perception. Xun'er continued to search for the formation's main gate, while Xiao Yan could no longer hold back the Jing Lian Yao Huo. He decided to let the Jing Lian Yao Huo explode right there, at least minimizing the harm to Xun'er.

Xun'er tearfully pleaded with Xiao Yan not to give up, and in her excitement, she struck the stone wall around them. Suddenly, she discovered the method to open the formation. She hurriedly told Xiao Yan that the Imperial Seal Technique could open the gate of the formation. Xiao Yan and Xun'er immediately sat cross-legged and together used the five mantras of the Imperial Seal Technique to break the formation. With the completion of the five mantras, the profound mystery was revealed.

At this time, the patriarch of the Flame Clan was bound by Hun Mie Sheng using soul chains. The Flame Clan patriarch loudly shouted at Hun Mie Sheng to kill him, but Hun Mie Sheng released him. He told the Flame Clan patriarch that the people of the Flame Clan were naturally destined to have a connection with the Heavenly Flame. If he wasted this divine gift from heaven, it would be a betrayal of his bloodline. He merged the Flame Clan patriarch with the Devouring Flame of Nothingness, turning him into a sacrifice for the Soul Palace. Consuming the Eight Desolations Annihilation Flame and being blessed by the Flame Clan's Heavenly Flame, the devouring power of the Devouring Flame of Nothingness awakened.

After Xiao Yan and Xun'er entered the formation, they closed their eyes to stabilize their minds through cultivation. However, when they opened their eyes, they discovered that an old man in white robes and white beard was also present. Both sides were surprised to see each other. Xiao Yan, unable to suppress the rage of the Heavenly Flame, was pushed to the ground by the old man, and Xun'er rushed to his aid. The white-robed old man said that the Heavenly Flame within Xiao Yan was raging uncontrollably, and it would only harm him if Xun'er haphazardly infused her bloodline into him.

Upon learning that Xun'er was a descendant of the Gu Clan, the white-robed old man asked if there were any remaining descendants of the Xiao Clan. Upon hearing this, Xiao Yan kicked out and said that the Xiao clan had not been exterminated yet. Ignoring everything else, Xiao Yan engaged in a fight with the old man. Seeing that Xiao Yan possessed several different Heavenly Flames, the old man couldn't help but become curious. When he saw Xiao Yan display the Three Mysterious Transformations of Heavenly Flames, the old man was even more astonished. He helped Xiao Yan stabilize the Jing Lian Yao Huo within his body.

Realizing that the old man had no ill intentions, Xiao Yan respectfully greeted him and engaged in conversation.