"Woah, what a smart guy~!" Tang Li Xue exclaimed in admiration after she heard the Third Prince's story.
"But isn't it easy to detect the already used spirit stones since the spiritual energy stored inside them will be weakened?" Tang Li Xue asked again curiously.
The Third Prince shook his head and replied: "They used a strange trick to make the used spirit stones still look perfect on the surface."
Tang Li Xue pinched her fair chin as she wondered if she could also learn this strange trick and use it to fool the cultivators in Lightwind Continent if she someday returned back to Lightwind Continent.
Right at this time, their carriage had finally reached the Imperial Palace.