Lack of Spiritual Energy? What Does It Have to Do with My Supreme Holy Robbery Body?

[Slow upgrade + low-key pretense and slap in the face + invincibility + raising pets] What? No inheritance of immortality? I created my own training system based on my knowledge of mathematics, physics and chemistry! What? Is the earth lacking in spiritual energy? What does it have to do with my Supreme Holy Robbery Body? Lin Fan, just after graduating from high school, was packed up and sent back to the countryside by his mother. As a result, he accidentally awakened the Supreme Holy Robbery Body and embarked on a heaven-defying path of cultivating immortality!