Nyelbert, also known by his alias "Naillebert," or as the Magus of Darkness, was one of the five Warriors of Light of the First. Together with his comrades, he vanquished the Ascian Mitron and caused the Flood of Light. Alongside his friends, he gave his life to come to the Source and attempted to bring about the Eighth Umbral Calamity. After returning to his world, he became the sin eater Phronesis.
— In-game description
Phronesis is a Sin Eater found in Amh Araeng.
- See also: Nyelbert