Prophecy is the speech of the prophets. All speech. Even the stuff not considered prophecy.
It is a mistake to think the prophecies of the bible are about a future event.
And it is a mistake to think the Bible talks about magical miracles because people dont understand how the words make sense...
What prophecy? It's a song. It's poetry. It's not meant to be read literally! Does God have literal arrows? Does he have a literal hand, with literal bones and flesh? Your first clue should be in how the entire chapter is poetic. For instance, "His splendor was like the sunrise". To continue...