Zhao Feng's words were merely an attempt to disguise his astonishment, but he immediately realized that the underground city built over countless generations by the Royal Family wouldn't be so easily destroyed.
Not to mention that not many people were aware of it, and even if they were, what could they do?
Indeed, Zhao Jing smiled confidently, "The only way to break the Formation is to destroy the ninety-nine Panlong Pillars. To reach these pillars, one must pass through the Heavenly Prison below, and no one possesses such ability."
"Moreover, each of the ninety-nine Panlong Pillars is enshrined with the ancestral ashes of the Royal Family, consecrated generation after generation by the power of Dragon Veins and Resentful Spirits. Should anyone disturb their peaceful rest, there is only death waiting for them."