Please, Disciple, Stop Cultivating Immortality

[Traditional urban setting, invincible power fantasy, no cultivation for the protagonist, and all spells are useless against him] Master at the Ascension stage: “I've cultivated immortality for six thousand years, and you trained in martial arts for just five years before beating me. How is that reasonable?” A master comes down the mountain to honor his engagement, only to be rejected, then rises to the top in a single leap. Five years ago, Wei Xiu lost his memory in a car accident and embarked on the path of cultivation. Five years later, he returns to the city to find his parents. Don't talk to me about wealthy families. I'm the biggest of them all.