'I knew mindlessly following the dragon marks was not the correct call, but now, having roamed this place for a few hours, I am certain,' Alex thought as he saw the face of the golden dragon floating before the entrance of the passage, confirming he was back where he had started a few hours ago.
The third challenge had thrown Alex into a maze with ever-changing paths, with some insight into its working and the third riddle.
The riddle implied he had to follow the signs of old, which were the faces of the thirteen dragons, appearing consecutively one at a time at the entrance of one of many passages according to their age.
Going from the order of Youngest to oldest, each dragon mark appeared on one of the paths staying present for a random period before appearing on another passage.