Dark Stone by Ciruelo 7 x 10 Print. ....Everybody knows what a dragon is: an enormous, fierce, bloodthirsty creature appearing in fairy tales and legends as an accessory whose main function is to set off the bravery of the knight challenging him. But the dragon is something else. He is admirable, intelligent and an educated creature, who leads a very interesting life. He has some fascinating characteristics in addition to those occasional glimpses we are given through fairy tales and legends.