The structure was coverted from the plain Gothic palace into a Renaissance residence. Little Castle were decorated with mural paintings and figural and architectural motifs . Figures, whose meaning is not clear, are the greatest part of mural decoration of the Lower castle. Research has partly proved and based on repeated motives deduced that in main moulding uased to be painted 54 men and women heads, in great niches between windows of both floors stays 31 over life size figures, over the first floor are 12 puttis slightly smaller than life size and over the pdestal part are located 21 busts in shell niches.