Traveling through time to cultivate immortality: a life and death test

The Skeleton Army marched slowly, and top experts like Liu Xing and King Kong did not accompany them. Liu Xing learned about the Sun Essence Fire from the Tyrannosaurus Rex and arranged for them to capture it. The Sun Essence Fire, along with the Moon Essence Water and the Immortal Grass, were the three main ingredients in refining the longevity elixir, so Liu Xing naturally wouldn't let it go.

Liu Xing had left Nangong Yan behind to discuss something extremely important with her. Nangong Yan was incredibly talented, having reached the peak of the middle Nascent Soul stage, yet still under five hundred years old. She held the best chance of becoming Grand Elder within the Thousand Machines Sect. Liu Xing wanted to plant a seal in her to aid her, but this required her consent.

"Senior Sister, how is the trial in the Chaos Tower?" Liu Xing asked.

"Haha, the Chaos Tower is truly a divine object. Thanks to my junior brother for giving me such an opportunity. Now my magic power and spiritual awareness are more condensed, and I have a glimmer of hope for advancing to a great monk." Nangong Yan said gratefully.

"You don't have to be polite, senior sister. I will give you a share of whatever I can get. You are Qian'er's master and also my relative." Liu Xing said sincerely.

"Junior brother, there's no need to be like this. You've done a great job!" Nangong Yan looked at Liu Xing approvingly. She could feel her junior brother's guilt towards Qian'er and didn't know how to comfort him.

"Senior Sister, the Chaos Tower's magic is far more than this. The trial is only a very shallow level of its operation. The more powerful ones can continue to improve the cultivator's strength."

"Oh, so magical?" Nangong Yan immediately became interested.

"Yes, King Kong was only at the peak of level nine before he met me. It only took me three years to use the Chaos Tower to help him break through to level ten." Liu Xing said confidently.

"Ah? Breaking through to level ten in three years?" Nangong Yan was shocked. If she hadn't seen King Kong's cultivation with her own eyes, she wouldn't have believed it. But her junior brother was a steady man and would never lie to her.

"Such an amazing skill must have some price, right?" The clever Nangong Yan quickly thought of a question.

"Senior sister, you have a keen eye. That's right, I am the master of the Chaos Tower. In order to borrow the power of the Chaos Tower's sea of ​​thunder, I must plant a seal in your soul before I can perform the secret technique. The seal is an indispensable medium for transmitting the power of thunder and fire. The only side effect of the seal is that it will make the person who receives the seal closer and more obedient to me." Liu Xing did not keep anyone in suspense and finished speaking in one breath. When he talked about the side effects of the seal, he couldn't help but feel a little uneasy, worried that Nangong Yan would not be willing to accept it.

"No wonder King Kong obeys your orders and respects you as the marshal. I can see that he is both in awe of you and feels close to you. I have always wondered why this is not something that can be achieved by a simple mind-control restriction. It is completely different from the performance of the Tyrannosaurus Rex. When the Tyrannosaurus Rex was placed under the mind-control restriction by you, he was purely in awe of you, with no closeness at all." Nangong Yan seemed to have solved a huge mystery in her heart, and said with sudden enlightenment.

"Exactly, Senior Sister is very observant."

"Then after you plant the seal on me, will I also obey you like King Kong?" Nangong Yan asked with a smile.

"Ah, yes, why not just forget it..." Liu Xing scratched his head embarrassedly.

"I agree!" But before Liu Xing could finish his words, Nangong Yan agreed first.

"Senior Sister? You..."

"Haha, Junior Brother, there's no need to be surprised. I know you well. You are loyal to Qian'er and you are dedicated to your fellow junior brothers and friends. I trust you."

"Besides, breaking through to the Great Monk level is extremely difficult, and my confidence level is less than 30%. I have seen hope for ascension in you. Not only can you successfully break through to the Great Monk level, you may even be able to glimpse the Divine Incarnation level."

"Such an opportunity is placed before me, how could I let it go? Junior brother sympathizes with Senior Sister and always thinks of her kindness, so how could I not trust him?"

Nangong Yan's words were sincere and trustworthy. Liu Xing was also very moved, and his previously anxious heart finally settled down.

"That's great. Without further ado, let's go into seclusion together."

"it is good."

So Liu Xing ordered Jiao Jiao and Zhang Yi to guard the Dragon Palace, while he and his senior sister went into seclusion to break through.

With his previous experience transforming King Kong, Liu Xing was now quite adept at the task. He first checked Nangong Yan's body condition, and everything was fine. With Nangong Yan's active cooperation, the seal-making process went exceptionally smoothly, achieving a highly compatible fit. Nangong Yan already had immense trust in Liu Xing, unlike King Kong, who had subconsciously resisted the seal-making process.

"Refining the spirit will be extremely painful, please bear with me, senior sister." Liu Xing reminded.

"It's okay. I've also experienced the soul refining in the Chaos Tower. I've also suffered a lot, so I'm sure I can withstand this pain." Nangong Yan said carelessly. For some reason, after planting the seal, she felt closer to Liu Xing.

"Hehe, Senior Sister, you're determined. Junior Brother admires you." Liu Xing laughed dryly, and then slowly moved. He continued to mobilize the Chaos Tower's sea of ​​thunder. It looked like the power of thunder and fire, but it was actually the Thunder Master's internal energy running. Threads of strong wind swept through Nangong Yan's soul through the seal.

"Ah!" Nangong Yan screamed in pain and sweat poured down.

"Senior sister, hold on!" Liu Xing encouraged, and once again weakened the power of the strong wind so that the senior sister could adapt.

Nangong Yan gritted her teeth and persisted. If she couldn't endure the greatest hardship, how could she become a superior person?

Nangong Yan's screams and gasps continued for nearly a year before finally stopping. Liu Xing finally relaxed, and he endured the extreme pain of not looking at anything indecent. When he transformed King Kong before, King Kong also screamed incessantly, but Liu Xing was completely unaffected at that time. As long as he could ensure that the other party did not die, he would torture him to death. But this time, Nangong Yan's even a low moan made Liu Xing's heart tremble. Perhaps it was because she was Qian'er's master. Liu Xing shook his head.

Over the next two years, Liu Xing helped his senior sister refine her spirit, gradually increasing the intensity of her powerful wind. Nangong Yan's pain tolerance greatly improved. Though still sweating profusely, she remained calm and cooperated with Liu Xing's training. Nangong Yan had been stuck in the middle Nascent Soul stage for nearly two hundred years. Just as her spirit had been transformed and nearly doubled in size, she unsurprisingly hit a bottleneck in her breakthrough.

"Master...Junior Brother, I'm about to break through." Nangong Yan said excitedly. Influenced by the seal, she almost blurted out "Master". Realizing that something was wrong, she immediately changed her words.

"Okay! Senior Sister, give it your all and I'll give you a helping hand!"

Liu Xing sensed the changes in Nangong Yan's body, which was exactly the same as King Kong's back then. He knew the time had come, so he used all his strength to activate the Lei Zha Gong in his body. What was transmitted to Nangong Yan through the seal was no longer strong wind, but rolling power of thunder and lightning. The strange spiritual energy quietly entered Nangong Yan's body, helping her widen her tendons and veins, and work together to break through the bottleneck.