[forshaper]

More or less authoritarian than Imperial dynasties? Zhao Gao for Qin, Huang Hao for Shu Han, Yang Fugong for Tang, this list can just keep going.

The Ten Eunuchs, if you want one example. Which is to say, their bureaucracies have always worked with single leaders who ostensibly had unilateral uncontested control for life. https://en.wikipedia.org/wiki/Ten_Attendants