Book 1 of the Codex System Series.
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In the fantasy world of Terra, people are divided into two kinds: Those who have mana and those who don’t. The registered mana users are called hunters, and the ones without the mana are called plainfolk. Lin Fang, unfortunately, has been the latter since birth. 

But his misfortune didn’t end there.

After his father’s sudden demise, his mother remarried, leaving him and his sister in the hands of his grandmother. But later, his grandmother also passed away, and his sister moved abroad, leaving him all alone at just 16.

All he had left was a struggling pet shop and his late father's unfulfilled dream of making it thrive.

Fifteen years later, Lin Fang is drowning in debt, betrayed by his unfaithful wife, and addicted to alcohol. His life has hit rock bottom. Filled with many regrets, he jumped into the river to escape this suffering.

But when he did, he neither died nor ended up in the hospital.

Instead, he found himself regressing 7 years into the past, with a mysterious Prehistoric system activated by a pendant he had carried since birth.

Now, with the power to command monsters and carrying the knowledge of the future, Lin Fang set out to redo his life, whether it is becoming the strongest tamer to control prehistoric monsters, getting his true love he had walked away from before, or becoming the richest businessman.

Inside, the chamber was vast and circular, stretching for dozens of meters across.


It was a spatial field, basically a space element spell that extended the space many times beyond normal, between the boundaries of walls.


At the same time, the entire room was also built from silver-gray alloy, with glowing inscriptions tracing along the walls and ceiling.


Kai stepped aside as he introduced it. "This is one of our guild's most prized training facilities," he explained. "You normally need a ten-day prior appointment to use it. But in this case, we'll make an exception."


He turned toward Lin Fang, his tone still calm but edged with authority.


Lin Fang nodded once and stepped inside. The air immediately pressed down on him, and he felt his knees nearly buckle. The gravity here wasn't that high, but just around 1.5 times, as stated on the LED panels above.


Chapter 112 - Obtaining the Legacy of Li Chengfeng (Part-3)