500 years of enduring, which is what Furina is attempting to do for the sake of the prophecy, though she had not known that Focalor had planned this all out from the very beginning. The 500 years are coming to an end.. which the prophecy says that Furina will sit upon her throne and suffer as everyone along with the entirety of the nation drowns in primordial sea water, the citizens are to dissolve along with it.. or had Furina been able to endure all 500 years, we will all see..