Read the following lines: “As the sun had gone, he knew that Grendel / would come to Herot, would visit that hall / when night had covered the earth with its net / and the shapes of darkness moved black and silent / through the world. What type of figurative language does the author use and what is significant about that choice?

adverb clause because it is using arrives

o'henry used irony in "the gift of the magi". this tool was essential to developing the story's theme by showing that the couple bought gifts for each other that they could not actually use at the moment. in addition, the author used this fact to show that people of the society should treasure the things they've received from others, because you may never know if they sacrificed their most treasured possession to aquire the gift.