Covering The Sky, A Guide To Enlightenment Without Plug-ins

Luo Heng traveled to the world of "Shading the Sky", but found that he did not have any golden fingers. No system, no treasures, no heaven-defying bloodline... Just when he was feeling a little desperate, he suddenly discovered that knowing the plot itself might be the biggest cheat.
For example, in the country of Yan, there is a little girl named Xiaonan who is still waiting for adoption; there is also a bad old man named Wei Yi in the Holy City of the Northern Territory, waiting for someone to take care of her in her old age.
Another example is the Immortal Realm Repair Scripture in the ancient bronze coffin, which was handed down from the heavens by the Immortal Emperor Shi Hao. Although it is not a cultivation or offensive technique, seamless water pipes can be used to transform guns and cannons. Why can't we try "people to transform the army"?
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PS1: This book can also be called "Zhetian Survival Guide" or "Mortal Enlightenment Biography". Because the protagonist’s enlightenment in this book does not require much talent, he just needs to have the skills. Book friends who like "Shading the Sky" may wish to take a look, just in case they actually travel through it in the future...
PS2: The story of this book may be ordinary, but the author has his own understanding of some plots of the original work, and readers are welcome to discuss it.
PS3: The birth of this book began with a debate on the Internet: Is it possible for ordinary people to become the Great Emperor by entering "Zhetian"?