One day, the city underwent a drastic change. The entire city passed through to another world.
When the communication was cut off, all the people in the city received the hint of a system. With the summon book, everyone can summon different creatures. Therefore, people took their summoning creatures to take risks outside the city and found that as long as they killed a creature, they would have the chance to turn it into the summoning thing of the summon book! However, when Ethan woke up from the hangover, he found that the creatures sealed in his summon book can be used to synthesize higher price creatures.
An ordinary goblin turned into a powerful goblin mutant!
The drastic change brought crisis and opportunities to the city. How did Ethan and his best friend become the new rule-makers of the city?

Beast Taming by the World: I Synthesize While Others Upgrading

Even though it was underage, it was still a member of the giant dragon.


Besides, Ethan didn't know what the criminal mark meant.


"Ethan, if you are worried about the authenticity of the criminal mark, I can guarantee that attacking the giant dragon won't attract the revenge of the dragon race."


"Audrey, I want more information about the giant dragon. Is that okay?"


Audrey smiled and kissed Ethan on his cheek before standing up.


"Well, I'll go there. Freya, don't eat in secret!"


"Audrey! We are talking about something serious!"


"Really? But for us, isn't it a serious thing to have children?"


In the laughter, Audrey's figure quietly disappeared in the shadow.


With Audrey's speed, it was no problem for her to run back and forth in one day.


"Ethan, are you sure you want to get the giant dragon?"


After calming herself down, Freya asked seriously.


Chapter 63 The Criminal Dragon