In fact, to be the master's personal guard, their ability and intelligence were definitely much stronger than most people, but they did not have an upright identity, no promotion, no honor, no friends or even a biological child. They could only hide in the dark for a lifetime, as the shadows of their masters.
When they were old and no longer suitable for being a secret guard, they might be responsible for supporting the royals for the rest of their lives when they encounter someone like Xuanwangfu, but most of their lives was ruined.
If they encounter some impersonal big families, the control of the personal guards was very strict, and they would be silenced in the end because they knew too many secrets of the master.
