There were many unanswered questions that would have driven Uriel crazy, like the meaning of the carvings in the walls by the end of the dungeon that Medusa ignored or the reason how did hybrids became the guardians of a dungeon. But right now the only mystery Medusa wanted to figure out was how to open the door. She attempted to push, then pull, then knock, yet unsurprisingly nothing worked.
The nagas, although very helpful and chatty, quickly ran away the moment they realized Medusa was serious about entering the door without telling her if opening the heavy doors was even possible or what lied beyond them.