Gu Xinchao walked through the palace.
Although it was late at night, imperial guards were making their rounds. Especially in front of the inner palace where the imperial concubines resided, guards were stationed densely—while perhaps not every three paces a post and every five a sentinel, there were still very many guards, including visible posts, hidden sentries, and frequent patrols.
It would be no exaggeration to call the security heavily guarded.
Chapter 134