Knowledge

Ling Fan mentioned the 'Turtle Breath Technique,' which is a good breathing technique. The biggest advantage of practicing this technique is, is after comprehending it, one can have the ability to hold their breath for a long time, making it a perfect skill for activities like diving deep on the sea and stealth.

The 'Turtle Breath Technique' is not too difficult, and anyone with a decent foundation in martial arts, anyone can learn it to some extent. It has the characteristic of requiring a small investment of time but yielding quick results. However, mastering this technique to an extraordinary level is exceptionally challenging, and those with lack of strong willpower or sufficient skill shouldn't even consider attempting it.

While gathering herbs, Ling Fan shared the knowledge about the 'Turtle Breath Technique' with Robin, explaining all the key points and precautions of this technique.

Once Robin achieves some mastery over this technique, all she needs to do is hold her breath and submerge herself in water, making swimming seem effortless.

"Robin, let's go back! It's going to rain soon," Ling Fan suddenly said to Robin, who was following his method of collecting herbs.

Robin looked up at the sunny sky, finding no indication of rain. Did she mishear something?

"Don't just stand there. When I say it will rain, it will rain," Ling Fan repeated. "Learning to observe weather patterns is not something you can master quickly. I will teach you slowly when we have the time in the future."

Robin was deeply impressed by Ling Fan, from the depths of her heart and soul. She thought she was already learning fast and already acquired a lot of knowledge, but Ling Fan always introduced her to new, unique, and practical information, leaving her with a never-ending list of things to learn. Sometimes, she wondered if she would be able to learn everything her master knows in her lifetime. Doubts began to cloud her confidence.

If she couldn't learn it in this lifetime, she would continue to learn from her master in her next life! With this thought, Robin suddenly smiled happily.

The reality confirmed Ling Fan's words. Shortly after they returned to the cabin, dark clouds filled the sky, and rain suddenly started pouring within no time.

The rain was heavy, and it seemed like it wouldn't stop anytime soon. Taking advantage of the current calmness, Ling Fan began teaching Robin about "observing celestial phenomena" a profound and mysterious knowledge.

He started with the most basic concepts and gradually delved deeper through practical examples, causing Robin's head to nod repeatedly in comprehension and agreement.

Robin had no idea that this field of study was so vast. Take this rainfall, for example. It involved considering climate, humidity, wind direction, wind speed, the behavior of animals and plants, sunlight intensity, and the angle of the sun, among many other factors, just to predict rain.

In reality, Robin had no clue that the actual situation was much more complex than she understood. It not only involved the principles of the five elements but also the influence of stars. Ling Fan simplified a significant portion of the factors for Robin to understand it easier.

Studying and observing celestial phenomena was a vast study that couldn't be mastered overnight. Even Ling Fan, with all his knowledge, had only grasped a small fraction of it.

Since they were discussing celestial phenomena, Ling Fan also briefly introduced Robin to the art of "Qimen Dunjia," providing a general overview to lay the foundation for teaching her more advanced content in the future.

(A/N: "Qimen Dunjia" is a Chinese term that can be translated as "Mysterious Gates Escaping Technique" or "Mysterious Door Escaping Arts." It is an ancient Chinese divination and metaphysical system that involves studying and analyzing celestial patterns, cosmic energies, and spatial arrangements to make predictions and strategic decisions.)

To spark Robin's interest and deepen her understanding, Ling Fan arranged a small soundproofing formation using some stones (due to his limited spiritual energy, he could only create small-scale formations).

When Robin stepped into the formation, she immediately noticed that she could no longer hear any sounds apart from her own heartbeat and breathing. Once she stepped out of the formation, everything returned to normal. After several attempts, the results were consistent.

This was truly incredible! Robin's curiosity was piqued, and she pleaded with Ling Fan to teach her how to set up this soundproofing formation.

Ling Fan shook his head, delivering a disappointing blow by saying that she couldn't learn it at her current level, and this field of study wouldn't yield results unless being studied for three to five years.

Although it seemed effortless for Ling Fan to set up a soundproofing formation with a few stones, the complexity of the knowledge involved was beyond anyone's imagination.

Determining the precise positioning, timing, and the effect of different terrains played a decisive role. When considering all these factors together, it would allow for the creation of a soundproofing formation. If one were to set up a large-scale formation, there would be even more factors to consider, and achieving precise control over spiritual energy wouldn't be an easy task.

To avoid burdening Robin with excessive knowledge, Ling Fan decided not to continue teaching further. Today's lesson was merely an introduction for her.

Afterward, Ling Fan engaged in a casual conversation with Robin, asking various questions about different aspects of the world since Robin was born and raised in this world and knew more than Ling Fan.

Ling Fan asked numerous diverse questions, such as the name of this world, who governs this country, which scenic spots exist, people's religious beliefs, various races, nationality of humans, the state of the education system, different organizations, the adequacy of public facilities, and the overall quality of the population. Robin found it difficult to answer all these questions!

In reality, Robin didn't know much either.

Although Robin couldn't answer many of the questions, Ling Fan still gained some insights. He discovered an intriguing piece of information that fascinated him: there are numerous races in this world, including dwarves, elves, and orcs, which he had never heard of before. Each race possesses unique physical features and abilities.

This information held tremendous attraction for Ling Fan, a research enthusiast. He decided that once he mastered the second level of his "Black Tortoise Technique" and had sufficient survival skills and techniques, he would explore this world extensively and study the origin and evolution of different species."