Travel through a martial arts world and gain a little breakthrough every day.

The next day, Lin Feng took Zhang Xiaoyu up the mountain to hunt.

Lin Feng planned to complete his skill point allocation on the mountain and break through his cultivation realm at the same time.

Once on the mountain, Lin Feng briefly checked his attribute panel.

Life: 123.

Breakthrough point: 133.

Breaking points are quite abundant.

The two killed two wild boars. After Zhang Xiaoyu finished sucking their blood, Lin Feng started roasting the wild boars.

While Lin Feng was roasting the wild boar, he made Zhang Xiaoyu continue hunting.

Lin Feng started adding some to the Iron Shirt skill.

The Iron Shirt skill cost a few breakthrough points and increased my life attribute slightly.

I spent another sixteen breakthrough points to upgrade Iron Shirt to the eighth level, increasing my life attribute by eight points.

Lin Feng ate all the roasted wild boar, and Zhang Xiaoyu brought back a roe deer and two wolves.

Lin Feng continued grilling the meat.

We need to use all these breakthroughs today, which will definitely require a lot of food.

Fortunately, Zhang Xiaoyu helped, saving me time from hunting.

Lin Feng spent another four breakthrough points to upgrade Iron Shirt to the perfect level, increasing his life attribute by two points.

The state of perfection is the highest level of Iron Shirt.

After completing the skill point allocation for Iron Shirt, Lin Feng felt that his strength and defense had improved.

Lin Feng checked the attribute panel again.

Life: 134.

Breakthrough point: 112.

Iron Shirt (Lower Level) (Complete).

Realm: Skin Refining (Copper Skin)

Reaching the Iron Shirt skill at its peak consumed a total of 21 breakthrough points, and increased the life attribute by 11 points.

His strength had reached over 6,500 jin, far exceeding that of ordinary people, and he was hard to match even at the same level.

After all, someone at the same level as you can't possibly have more martial arts skills than you.

However, Lin Feng discovered that copper skin was not the highest level of skin refining; there were higher levels beyond copper skin.

Lin Feng hesitated. Should he break through to the Flesh Refining Realm, or continue refining his Skin?

Now that we've discovered there's a new realm within the Skin Refining Realm, it would be a shame not to explore it.

Anyway, there are plenty of breakthroughs, and I also have a skill for physical training, so I'll continue to refine my skin.

At most, it will just consume more breakthrough points.

Lin Feng told Zhang Xiaoyu to continue hunting, while he continued roasting meat.

Zhang Xiaoyu was horrified. He had already drunk his fill of blood, but Lin Feng was still not full.

Lin Feng spent another ten breakthrough points to master the Thirteen Protectors Horizontal Training, increasing his life attribute by one point.

The reason it takes ten points is that the Thirteen Protectors' Horizontal Training requires a virgin body, and since I am not a virgin, I have to spend more attribute points to get started.

Lin Feng felt it was worth it, since he really couldn't produce a virgin.

The Thirteen Protectors' Horizontal Training, from level one to level eight, consumed two breakthrough points each, totaling sixteen breakthrough points, just like the Iron Shirt technique. However, it increased the life attribute by eight points.

He spent another four breakthrough points to upgrade the Thirteen Protectors' Horizontal Training to the Perfect Realm, increasing his life attribute by two points.

The Perfect Realm is also the highest level of the Thirteen Protectors' Horizontal Training.

Lin Feng thought that the Thirteen Taibao Body Technique, the strongest hard skill, would reach the realm of enlightenment, but he found that he had been thinking too much.

Currently, there is no pattern to what martial arts skills can reach the "artistic level"; it all depends on luck.

After the Thirteen Protectors perfected their external martial arts, they reached a new level of strength, and even those of equal strength could not harm them without divine weapons.

However, physical training is ultimately a lower-level martial art. It is good at defending against external attacks, but its defensive effect on internal force and true qi is generally limited.

Lin Feng checked the attribute panel again.

Life: 145.

Breakthrough point: 82.

Iron Shirt (Lower Level) (Complete).

Thirteen Protectors' Horizontal Training (Lower Level) (Completed).

Realm: Refined Skin (Golden Skin).

Lin Feng's eyes lit up; he had actually reached the next level of skin refining, Golden Skin, so quickly.

It seems simpler than I thought.

After thinking about it, he realized that it made sense.

Practicing hard martial arts is inherently more difficult than practicing ordinary martial arts. Not to mention the hardships and suffering involved, one also needs to ingest large amounts of medicinal herbs and soak in medicinal baths during the training process.

It would take an ordinary martial artist sixty years to perfect a single hard-body martial art.

By the time one has mastered one form of external martial arts to perfection, they are already past their prime. Who would be willing to spend another sixty years mastering another form of external martial arts to perfection?

Moreover, as one ages, one's vital energy and blood decline, making it almost impossible to perfect another form of physical training.

Unless one is a prodigy from a major sect, with the aid of a sacred medicine like the Dragon Blood Heart-Nourishing Pill.

It is already quite difficult for a person to master one hard skill in their lifetime, and it is even more difficult to master two. To master three hard skills is harder than climbing to heaven.

Having broken through to the Golden Skin realm, the extremely high defensive power is secondary; the key is that the skin's breathability seems exceptionally good, allowing internal energy to easily reach the epidermis and cover the entire body.

Gold skin represents the highest level of skin refining.

Lin Feng had already reached the pinnacle of the Skin Refining Realm, laying the most solid foundation for his martial arts path.

The next step is to break through to the Body Refining Realm.

Mastering intermediate-level martial arts to the highest level, or mastering superior-level martial arts to the lowest level, will lead to the realm of physical refinement.

The only intermediate-level martial art he knows is the Flying Sword Cloud Piercing Step, but he does have several advanced-level martial arts.

A few days ago, my master reminded me to focus on internal energy cultivation and practice the Mind-Nourishing Sword Technique more.

I'll allocate points to the Mind-Nourishing Sword Technique this time.

The breakthrough points consumed by superior martial arts are twice that of inferior martial arts.

To master a superior martial art, one needs four breakthrough points; from level two to level eight, each level requires eight breakthrough points; and to reach perfection, one needs sixteen breakthrough points.

Lin Feng even considered adding points to the Flying Sword Cloud Piercing Step, which would save him half of his breakthrough points.

However, in order to make up for his weakness in internal strength, he still chose to add points to the Nourishing Heart Sword Technique.

Lin Feng spent four breakthrough points to get the basics of the Mind Nourishing Sword Technique, which increased his life attribute by two points.

Next, we need to add points to the first to sixth levels of the Nourishing Heart Sword Technique. Each level consumes eight breakthrough points and increases health by four points.

It consumed 48 breakthrough points and increased health by 24 points.

Lin Feng checked the attribute panel again.

Life: 171.

Breakthrough point: 30.

Nourishing the Mind Sword Technique (Superior) (Sixth Level).

Realm: Refined Flesh (Stone Flesh).

The realm of flesh refining is similar to that of skin refining, and is further divided into three realms: stone flesh, iron flesh, and bronze flesh.

However, practicing any martial art can improve one's physical refinement level; there is no need to specifically practice defensive martial arts.

When you first reach the Body Refinement stage, your muscles will become very prominent, with each muscle protruding like a rock.

When you reach the Iron Flesh realm, the volume of your muscles will decrease.

When you reach the level of "copper flesh," your muscles will exhibit a perfect streamlined shape.

After Lin Feng reached the Flesh Refinement Realm, his muscles swelled up, stretching his clothes out of shape.

Having broken through to the Flesh Refining Realm, I have thirty breakthrough points remaining.

How should we use these thirty breakthrough points?