Martial Arts Crossover: The Sweeping Monk of Wudang? That's our patriarch!

Lin Daochen awakened his past life memories at the age of ninety, his lifespan was about to end, and he was at the fifth rank of martial arts.
Fortunately, I've reached the maximum level of comprehension.
When Zhang Sanfeng was worried that his senior brother's days were numbered, Lin Daochen casually created the Hunyuan Taijiquan and enlightened his junior brother.
While the entire martial arts world was still scrambling for divine martial arts manuals, he was already in the scripture pavilion, deducing the methods to achieve immortality.
"Junior brothers, it's reasonable for you to practice martial arts while I cultivate immortality."