The correct answer is climax
The climax in a story is the story's most intense moment which serves as a key turning point. The climax in a plot is usually the culmination or resolution of a certain conflict or situation in the story. There is usually a build up to the climax in a plot. In this passage, Shelby scoring is the plot's climax.
According to Mercutio, the dreams granted by Queen Mab reflect the desires of the individual. Therefore, Queen Mab would make a doctor dream of performing a successful surgery and saving a life because that’s what doctors want to do.