derived from Wincenty Kadłubek's work, Chronicle of Greater Poland (<1296) fails to make mention of the dragon at all, while the (or Mierzwa Chronicle; Kronika Dzierzwy/Kronika Mierzwy, 14th century) followed closely after Wincenty. Both these chronicles maintain that Krak, Jr. is the younger prince, and keep the elder brother nameless. Jan Długosz's 15th-century chronicle, however, swapped the roles of the princes, claiming that the younger son named Lech was the killer, while the elder son named Krak, Jr. became the victim. The idea for the scheme to slay the dragon (olophagus) is credited to King Krak himself, not his sons, because the king fears a mass exodus from the city may take place, and he orders to have the carcass stuffed with flammable substances, namely sulfur, tinder (; ), wax, pitch, and tar and set them on fire. The dragon ate the burning meal and died breathing fire just before death. Długosz also adds the detail that the dragon lived in a cave of Mount Wawel upon which King Krak had built his castle. In any case, the fratricide is banished, so their sister Princess Wanda must accede to the throne. Shoemaker version Later, Marcin Bielski's Kronika Polska (1597) gave credit to or Skuba the Cobbler () for designing the plan to defeat the dragon. The story still takes place in Kraków during the reign of King Krak, the city's legendary founder, who is here called "Krok". The dragon required a diet of three calves (cielęta) or rams (barany), something in threes, and would snatch people to sate his hunger. On Skub's advice, King Krok had a calf's skin filled with sulfur, used as bait to the dragon. The dragon was unable to swallow this, and drank water until it died. Afterwards, the shoemaker was rewarded handsomely. Bielski adds, "One can still see his cave under the castle. It is called the Dragon's Cave (Smocza Jama)". Popular retellings The most popular, fairytale version of the Wawel Dragon tale takes place in Kraków during the reign of King Krakus, the city's legendary founder. Each day the evil dragon would beat a path of destruction across the countryside, killing the civilians, pillaging their homes, and devouring their livestock. In many versions of the story, the dragon especially enjoyed eating young maidens. Great warriors from near and far fought for the prize and failed. A cobbler's apprentice (named Skuba) accepted the challenge. He