“The Heart of the Dragon” is the fantastic novel by Kirill Klevansky, the fifth book in the cycle, in the genre of heroic fantasy, adventure, and battle fantasy.
Crossing the desert with a caravan, Hajjar is drawn into a search for the library of the City of Mages, where there is kept an elixir capable of turning a person into a god. Fighting robbers, he and his friend Einnen unexpectedly find themselves in the Underground City. How many stories and legends he has heard about it from the South Wind and Serа! How many times he dreamed of being there and speaking with the Sage! How will this mysterious city meet Hajjar? Will its underground inhabitants become his allies or his enemies? Will he learn what “the true path” of development means? And will he be able to find the cherished elixir, become a god, and call the Jade Emperor to answer?