Infinity Train

For Shadow Breathing, he needed an extremely vast amount of stamina, and weighted running was a highly comprehensive form of training. Combined with using the Shadow Breathing Technique to unlock his potential, it was immensely helpful.

Within a year, Su Chen was confident that the Wind Pillar would become the strongest among the Pillars, apart from himself.

The Wind Pillar grew faster and faster. He did not slow down despite the increased distance. Instead, each day, he could clearly tell that his return speed had improved.

Even he himself had noticed the changes in his body.

His speed and strength had both increased.

The Wind Pillar was incomparably excited. He knew this was not thanks to running, but to Shadow Breathing. The reason their bodies could become stronger was precisely because of their breathing techniques.

Running merely squeezed his physical stamina, allowing the breathing technique to merge better with his body.

Moreover, the strength of his physical body was also related to the breathing technique.

The core of Shadow Breathing lay in the word "speed," followed by strength. Thus, every five days or so, Su Chen increased the weight the Wind Pillar carried by roughly thirty percent.

Two months passed in the blink of an eye.

Su Chen had already researched Shadow Breathing up to the Tenth Form.

The Eighth Form was Ghost Eye. Through the breathing technique, it heightened one's eyesight and allowed one to see an enemy's movements clearly. It was somewhat similar to the Transparent World, but nowhere near as powerful.

The Ninth Form, One-Sword Slash.

As its name suggested, it unleashed the terrifying power of a single slash.

The Tenth Form, Death Blossom. This was currently the most powerful killing move in Shadow Breathing. Even Su Chen could only release it around ten times.

That was