"Anything is most precious before it is obtained. As the Crown Prince of the Xuanyue Imperial Family, Xuan Jiuding cultivates the Xuantian Treasure Manual, so this Cultivation Technique is merely a spiritual support for him and no longer brings any benefits.
Compared to the Xuantian Treasure Manual that he has mastered thoroughly, the treasure inside the black wooden box is key to significantly enhancing Xuan Jiuding's strength, potentially allowing him to breakthrough realms that he has yet to achieve.
Especially since the black wooden box is made of such special material and the Black Lock is impervious to numerous attempts to open it, this indicates that the contents inside the box are absolutely extraordinary. How could Xuan Jiuding willingly let it be taken away?
However, given the circumstances, Xuan Jiuding couldn't say anything else, because no matter what, he is currently only the Crown Prince and must obey Xuan Haoran's commands.
