Say I'm a Late Bloomer? I'm Invincible When I Sign in at the Beginning

Jiang Ping traveled to a fantasy world, Just awakened [Late Bloomer] destiny, I was told that my qualifications were mediocre. It takes ten years of hard training in "Health Preserving Kung Fu" before you can get started. However, On Jiang Ping's first day, the system upgraded "Health Preservation Skills" to the full level in seconds and activated it. Jiang Ping has since embarked on a path of cultivation that "appears to be a late bloomer, but is actually invincible".