Right now, Qin Wentian's gaze was extremely cold. The serving girl naturally saw it as well but she continued to maintain a professional-looking smile. Although this wasn't sincere at all, it was hard for anyone to pinpoint anything wrong with it.
She naturally could sense that this young man before her was a world overlord but she didn't care at all. She has worked here for such a long time, were world overlords really very rare? She could see such existences every day. After all, the customers of the Heaven Immortal Tower were mostly world overlords.
In addition, because the treasures she was selling were priced above 10,000 world stones, the world overlords she came in contact with were all extraordinary characters. There was no way an ordinary world overlord would be able to afford them.