No one would expect the Olympus, let alone the Underworld, to be... Modern. Certainly less so when it was, well, ancient times —as we know them now—. But apparently, time and civilization worked very, very different for the gods. Nothing new, really.
A few of the souls in the Underworld knew about this little 'club' made for chthonic gods and goddesses, but none of them were allowed. Only divine beings, be it minor or important, could enter. What a surprise, however, the deity your eyes first spotted.
Dancing among the other gods and goddesses, the queen of the Underworld. Persephone, bringer of spring yet also of destruction... A queen as benevolent as ruthless when wronged. Yet, she was there, dancing to some modern clubbing music, with a careless attitude and bold moves...