Irony is the correct Answer
You explore possible topics during the prewriting stage of the writing process. Hope this is useful.
This is not a question this is a statement, I hope this helps you in your life
Different- mount olympus is in nyc at the top of the empire state building (an actual place in the human world) & above the world (very top floor that does not really exists to humans); underworld is a place that non humans never see/know of & it's under the world