How does a change of setting affect the characters and the narrative in chapter 11of the hobbit?

In Chapter 11 of "The Hobbit," titled "On the Doorstep," the change of setting to the Lonely Mountain significantly heightens the tension and stakes for Bilbo and the dwarves. The foreboding atmosphere of the mountain reflects their fears and uncertainties, influencing their behavior and decisions. As they confront the looming presence of Smaug, the setting amplifies the narrative's themes of courage and adventure, ultimately pushing Bilbo to take on a more decisive role in the quest. This transition marks a pivotal moment, shifting the characters from a journey of discovery to one of confrontation and danger.