Xu Ruocheng continued, "Go around the entrance, and you'll find a narrow crack between the walls, about half a person wide. Squeeze through it, walk another dozen or so meters, and you'll see an entrance covered by wooden boards."
The cellar beneath that entrance had been the secret base he and his sister shared since childhood. They often played hide-and-seek there.
It was only after they grew up that they learned that just a meter beyond the cellar's adjacent wall was the entire imperial palace's armory.
Chi Xiu still remembered that when Xu Ruocheng spoke of this, even after all these years, his expression still carried a lingering chill.
"Go around. It should be roughly in that direction."
Following the route in his memory, Chi Xiu spoke to Bibi Dong.
When they reached the entrance to the first underground level, Chi Xiu finally understood why Xu Ruocheng had not allowed them to pass through this entrance directly.
Aside from the large number of guards stationed there, there was also a special kind of Soul Guidance detector.
An infrared detector.
The Metal Roundel that allowed invisibility offered no protection against it.
"Be careful. Don't touch that red thing."
Chi Xiu warned Bibi Dong.
The two carefully made their way around it. After feeling around for quite some time, they finally found the crack in the wall Xu Ruocheng had mentioned.
But when they saw it, they were dumbfounded.
Half a person wide... that meant half the width of a child, didn't it?!
"We have to get through somewhere this narrow?"
Bibi Dong looked at Chi Xiu in distress.
Chi Xiu looked upward, tracing the origin of the gap. It turned out to be the space between two enormous high-rise buildings. To go around it, they would have to pass through infrared