Complete a Prophecy is a PoE challenge.
Prophecy is a vision of a character’s future, provided by Navali.
Prophecies influence the future of what happens to the player’s character. Some can change areas to generate different encounters or to force various outcomes to occur. Others trigger when a condition occurs and change the result.
Navali sells a prophecy with the cost of a Silver Coin.
Take The Hardened Armour for exmple.
Use Armourer’s Scrap on a boot, the boot obtain a 20% quality.
The prophecy has completed.