The reason for his refusal was because he couldn't afford to make mistakes.
"Perhaps I should brush up on the knowledge of the Martial Arts Cultivation system."
In the year and a half since he embarked on the Martial Path, aside from a year in the Martial Hall, he was mostly in a daze. After reaching the Martial Arts Garden, he spent more time on cultivating techniques. Lin Chen realized he didn't have a deep understanding of some cultivation systems in martial arts.
He had been to the Library Pavilion of both the Jingshui Martial Arts Hall and the Mountain Suppressing Martial Arts Hall. They housed some notes on martial arts cultivation, but those notes were penned by senior brothers and sisters, who at the time of writing were only at the Opening Acupoints or Refining Viscera stages, and their descriptions were not profound.
