629 It Can Also Be Used Like This?

The spacious living room was filled with the fragrance of cakes.

Queen Andonara served up the delicacies she had baked herself.

Charles nodded slightly in gratitude, then asked with a smile, "Almighty, you know so well how much Meteorite Mineral is needed to build a floating city, do you already know how to build it? Be sure to count me in."

Roland waved to the side where there was a decorative bookshelf with several books on it, one of which flew into Roland's hand.

Then he spread it out, turned to one of the pages, and pointed it out to Charles.

"The approximate materials needed for a floating city are recorded here, but the most important floating chassis construction method is lost. I tried to reverse-engineer the process with a large database, but unfortunately failed." Roland shook his head helplessly, then added with a longing expression, "If only I could build a floating city, I could go wherever I want! And it would be safe."