Regenerating Barrier of the Depths

The Regenerating Barrier of the Depths can be purchased for 50 Prismatic Manapearl 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

Only classes with a tank specialization can purchase it. Infusing the item at the Heart Forge will grant Rank 3 of the Aegis of the Deep Essence and leave behind a Crumbling Barrier.

Ranks

 * 1) Depth Forged Aegis
 * 2) Enduring Bulwark of the Depths
 * 3) Regenerating Barrier of the Depths
 * 4) Resplendent Bastion of the Depths