Empyrean weapons are originally from the Abyssea-era and corresponding zones. On Nocturnal Souls, we have a unique way to acquire and upgrade them starting at level 99.
Empyrean Weapons are a series of powerful high-damage and low-delay weapons that can be upgraded with the AF3 Upgrade Moogle. The base weapons drop from Abyssea Notorious Monsters, It’s up to you to unleash their full potential.
These weapons require items dropped from Notorious Monsters in Abyssea zones, as well as Tanzanite Jewels which drop from various Notorious Monsters throughout the world to upgrade.