Is Cultivation Really This Easy?

When he first got a cultivation technique

Mu Xingchen: Is cultivating immortality going to be hard?

One year later...

Looking at the golden core inside him, Mu Xingchen: Is cultivating immortality really this easy?

Several years later...

Wait, I'm already invincible? Did I accidentally practice some fake cultivation method?

Oh! So I have a higher-level account! Well, that explains it! I'm invincible, so do whatever you like!