"There's no need to rest. When starting to practice this technique of mine, one is bound to get injured. Even if your old wounds heal, new ones will cover your body all over again. It's better to start now and deal with both old and new injuries together. It saves trouble."

  With these spine - chilling words, Lin Tiefeng rejected Su Wan's proposal and then led Lin Yu into the underground secret room of their home, which was his usual cultivation place.

  This underground cultivation room was dug extremely deep. Lin Tiefeng and Lin Yu walked steadily downwards for a full ten - odd minutes. Such a depth greatly surprised Lin Yu. He thought to himself that just two days ago, Lin Tiefeng was only at the Ninth Level of Qi Refining. How on earth did he manage to transmit such a strong vibration to the ground during his cultivation?

  Finally, the two walked side by side into the spacious underground stone chamber. As soon as they entered, the entire underground cultivation field instantly lit up as bright as day. Apparently, the induction 法阵 was extremely sensitive and highly efficient. In an instant, a magnificent scene unfolded before Lin Yu's eyes: In the vast underground space, various cultivation tools were scattered all over the place. There were both ancient exercise equipment and modern advanced technological devices. Lin Yu even saw a huge all - metal treadmill in the distance, with its speed and power being astonishingly high.

  However, Lin Tiefeng didn't let Lin Yu stay here for too long. He casually said, "This is just the leisure area, set up by the people from the Clan's Engineering Department. There are a lot of strange technological equipment here, and I don't know how to use many of them. The place where I really practice is even deeper. A cultivator's cultivation place may be simple, but it must be hidden. Although everyone in the Blood Soul Clan knows that I often practice in the underground cultivation room of my own home, not many people know which floor I practice on. This floor in front of you is just a guise to deceive others. I leave it idle far more often than I use it."

  Lin Tiefeng chuckled, walked up to a lamp stand, gently turned it, and then struck a seemingly ordinary stone beside it heavily. A faint glow of spiritual power flickered, and a seemingly ordinary stone wall slowly rotated, revealing a whole new world behind it. At the same time, Lin Yu heard Lin Tiefeng's slightly proud voice in his ear: "This is where I really practice. Only those who have cultivated the 'Iron Evil Magnetic Devouring Hand' can activate it. If you can't grasp the basics of 'Iron Evil Devouring' before the end of my vacation, you won't be able to get in. Because I've set up a rare array flag 法阵 here. Without the correct method and without reaching the Sixth Level of Qi Refining in cultivation, there's no way to break through the 法阵 and enter. Understand?"

  "Understood. If I can't get started with the 'Iron Evil Magnetic Devouring Hand' before the end of your vacation, you won't bring me here anymore in the future. I get what you mean, Father."

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  In response to Lin Tiefeng's question, Lin Yu replied quickly. Since entering this underground cultivation room, Lin Yu had noticed that his father at this time was completely different from what he remembered. At this moment, Lin Tiefeng was meticulous and resourceful, completely unlike the careless person he seemed to be in the clan and beside his mother.

  But this father coincided with the father in Lin Yu's memory after his mother, Su Wan, passed away in 2012. Lin Yu had thought that it was his mother's death and the arrival of the apocalypse that had spurred his father to grow. Now it seemed that was not the case. Instead, it was his mother's death and the arrival of the apocalypse that had allowed his father, who had always hidden his true abilities, to show his talents. Thinking carefully, how could a reckless and simple - minded person have raised his cultivation to the peak of Qi Refining in the era of declining spiritual energy? How could he have risen step by step from a powerless person to the deputy leader of the combat group?

  Father was not without strategy. He just didn't want to show it outside. Precisely because of this, he was the "Iron Beast of the Lin Family" loved by the elders in the family and the Lin Tiefeng with the best popularity and the widest network of contacts in the Blood Soul Clan.

  His disguise was so perfect that even his own son, Lin Yu, if he didn't get to know him deeply, would hardly be able to detect his restraint and profundity. Lin Tiefeng was really an extremely powerful person. Lin Yu secretly rejoiced again. Fortunately, he was his father. Otherwise, if he was 算计 by him, he might not even know how he died.

  Perhaps sensing his son's strange gaze, Lin Tiefeng misunderstood. This strong man let out a deep sigh, didn't turn around, and said to Lin Yu with his back facing him, "Yu'er, in the past, you didn't like cultivating the Tao. To be honest, I was both relieved and heartbroken. Relieved that you didn't have to be involved in the most glorious yet also the most dangerous path of cultivating the Tao in this world; heartbroken that like your eldest brother and second sister, you couldn't inherit my technique."

  "So, I've always taken a neither - supporting - nor - opposing attitude towards you privately learning the scientific and cultural knowledge of the outside world. Now that you've changed your mind and embarked on this path of immortality, to be honest, my feelings are as contradictory as before. Cultivating immortality, becoming an immortal is of course wonderful, but not all cultivators are good people. Yu'er, if you hadn't embarked on this path, I would never have let you know these things in my life. I would always be your brave but simple - minded father, even if you looked down on me because of it. Yu'er, I'm sorry. Don't blame your father."

  Listening to these words, Lin Yu felt a sour feeling welling up in his heart. The hardships his father endured as a man could only be borne alone, and even his son couldn't share them.

  But Lin Yu now understood that this was no longer a matter of whether he wanted to cultivate immortality or not. Instead, those who couldn't go far on the path of the immortal way simply couldn't survive the terrifying disasters in the future. Lin Yu silently pondered and smiled bitterly in his heart. Each with their own thoughts, the father and son walked into that hidden cultivation quiet room.