In the fourth room there are two altars and, upon them, two cups filled with a mysterious drink of an emerald green colour, miraculously refilling as soon as emptied. Whoever wants to open the next gate must first drink a sip of the beverage. The King and Queen may drink without trouble, even finding it sweet, but anybody else would be poisoned to death. Only then, after passing through all the four challenges and gates, the King and Queen of the Pirin may enter the underground sanctuary, holding priceless, indescribable treasures. When Hairam and I first came to the treasure chamber in order to keep there the holy relics Fate had given us but would not allow us to use yet, something entirely prodigious took place! The talking pillars let us pass without question, the albino boas crept t

