Luria Fibers

is the last of the 5 available fibers in the game. It is used for armorcrafting and alchemy. Gathering luria fibers can level the player's Plant Gathering level up to 300. The plants have a chance of dropping Essential Mana, Idyllic Leafs, Cochineal Beetles, Indigo Petals, Murex Snails, Saffron Stalks, or Purpurin Roots instead of the actual fibers.

Source
Primarily found when gathering from Luria and Osyo plants. These plants can be found in zones listed as level 50 and higher.

Dropped by monsters and crystals from the following provinces:
 * Sylvanoth
 * Amena Quatla
 * Val Kaeli
 * Argonea