Ling Han could only wander on the first floor of the library, but the books there were all accessible to him, without any restrictions on reading.
Obviously, these were techniques and arts below Immortal level.
Ling Han was also not in a hurry to find the alchemical arts; he slowly flipped through the books as he walked along.
The Origin Power cultivation technique which he was currently cultivating was by no means a top-notch one. If he wanted to rely on the Extreme Yang Technique to attain the strength of an additional four Stars outside of Origin Power, it would be tough! He might have to stop at the strength of 18 or 19 Stars.
Therefore, he intended to practice a different cultivation technique.
Changing to a different cultivation technique would inevitably have a considerable impact on his advancement into higher cultivation levels, but was absolutely necessary in order to charge towards the strength limit of 20 Stars.