It turned out that someone from the Gu Family, a highly skilled individual, had set up an Eight Trigrams Array here.
Based on the time they arrived in the Imperial Capital, it should have been set up by the generation of Gu Qingfeng's grandfather.
The Eight Trigrams Array must have been formed from the condensation of Spiritual Energy.
Members of the Gu Family could enter.
But when other people entered, the ground would collapse.
Then the water below would swarm out.
Consequently, everything here would naturally sink into the underground water.
Surprisingly, beneath the Treasure Room was an underground river.
But it was unknown where it flowed to.
Maybe it was deep underground, in a place devoid of daylight…
So, that meant that the gemstones here could only be taken away by members of the Gu Family.
Others would not be able to take them.
Or perhaps as soon as outsiders entered,