Luna ran at breakneck speed to the golden city in the central island trying to follow his scent. Because of how fast he moved it was impossible for her to tell exactly where he was right now as his scent crossed the entire city in a seemingly random pattern.
Had Medusa been there she could have anticipated Uriel's location after noticing he followed a grid pattern, the same that was used in any archaeological dig site. It was the most efficient way to make sure he didn't leave anything behind devised by an ancient mathematician called Hippodamus of Miletus and although Medusa ignored this fact, recognizing such patters was easy for the gifted top student of the engineering class.
It was precisely because of her grades and specialization, though, that she was needed the most inside the chamber to try and figure out the inner workings of the mechanism. On her side, Bella performed the important task of pressing a stone in a wall.
