Chapter 480: Five Kilometers

The research on the Return City Tower, with each new phase it entered, the range covered by the little base continued to expand, consuming ever more land.

In the isolated area, work was as bustling as ever.

Twenty days later, the new Return City Tower's preliminary expansion was completed.

It was no wonder that Ivan and his companions had expanded so rapidly; they were enhancing the structure according to the original framework and previous experiences. The fundamental logic involved remained the same; it was merely the content that was expanding.

Like baking a cake, just a few adjustments were needed.

"Boss, do you need me to test first?" Locke tentatively asked, his face clearly eager.

"Step aside, I'll call you if needed," Ivan glared at him.

"Alright, I'll just take Morris over there," Locke said with a sheepish smile and swiftly left.