About the book: 2006 / Black Citadel. A black city surrounded by centuries-old black walls. What secrets are hidden behind them? Why did it become empty and locked after centuries? Why did the magicians who tried to penetrate there and unravel its secrets all die? Why are both people and the Dailor people so concerned about the legend of the Last Master, who can become the one who manages to enter the Black City, overcoming all its traps? And isn’t the price too high for a daredevil who tried to use the dark Force to achieve this goal? , changing the essence of anyone who sells itself to it?