Polarized Azerite Slivershards

Polarized Azerite Slivershards can be purchased for 50 Prismatic Manapearl from from the following vendors in Nazjatar after reaching with their respective faction:
 * Speaker Utia of the Waveblade Ankoan, found in Mezzamere
 * Atolia Seapearl of the Unshackled, found in Newhome

Infusing the item at the Heart Forge will grant Rank 3 of The Unbound Force Essence and leave behind Inert Slivers.

Ranks

 * 1) Unbound Azerite Slivershards
 * 2) Sharpened Azerite Slivershards
 * 3) Polarized Azerite Slivershards
 * 4) Incandescent Azerite Slivershards