MTL - Invincible Non-stop Upgrading System - Chapter 921 Expert style

I came from hell, looking for redemption! –“Revelation”
…………
What is redemption?
I think it should be a process in which a good person becomes bad and then becomes good again.
It’s like our clean birth, contaminated by the dust of one life, and then clean death.
Well, this is just a story. …

- Description from Uukanshu

A 20-year-old genius medical student transmigrated to a book she read during an experiment and became a female supporting character named Mo Li.

What does it mean to be invincible?

Many Sword Gods exhaust their entire lives attempting to cultivate a single supreme sword intent, yet Yang Xiaotian has cultivated fifteen!

For millions of years, no one has been able to cultivate the Primordial Heaven Destiny, but Yang Xiaotian has cultivated fifteen of it!

Throughout countless eons, no one has been able to cultivate the Primordial Universe Holy Fruit, yet Yang Xiaotian has cultivated fifteen!

Across the vast expanse of time, only the rulers of heaven and earth could cultivate the Eternal Divine Body, yet Yang Xiaotian has cultivated not only the Eternal Divine Body but also the Primordial Heaven Destiny Divine Body, the Primordial Universe Divine Body...

In old times a boy named Luis had lost his parents at a very tender age, he never even got to know who his parents were. With his parents gone he had to be taken care of by his wicked aunt who hardly fed him once a day, in effort to get food Luis was adviced to steal by a strange book without minding the punishment of burning given to thieves. When Luis was caught he ran into the forest and the villagers including his aunt chased him down with torches.

“I think it's best I surrender now” Luis stopped running and was panting now.

“I think I can see him!” he heard the village blacksmith shout.

He took a little step backwards and down a hole he went.

“Noooooo!!!” Luis screamed as he went down the hole, the last thing he saw was a red glowing light and then it was lights out for him.

“What happened?” Luis groaned. “Where am I? And why is my body so cold” he said touching his arm

A screen appeard in front of him.

[ System revived ]

“What?”

That was where the true journey began.

Now the fate of mankind lies in his hands as he keeps completing tasks and quests to get stronger.

Luis keeps getting stronger but the question is:

Will he be able to stop Lucifer?