The outer walls of the mana engine factory were constructed of dark iron and copper, with mysterious rune patterns etched throughout.

Between the runes, intricate mana circuits were carved, designed to regulate the flow of magical energy.

The factory’s roof was equally distinctive. When disguised, it appeared to have ordinary factory chimneys, but in reality, a towering spire stood prominently.

“His Highness will be attending the official launch ceremony, correct?”

“Yes, that’s right. But if he does come, it’ll be quietly and in secret.”

“It’s unavoidable due to security concerns. Just the fact that he’ll be present is an honor.”