1. Speak to Gogas Afadin in Nektulos Forest. ( -1392, 25, -1399 )

2. He will perform the empowerment ritual for you after you collect a few things for him.

Obtain 1 Enchanted Azurite Capillary (Adorning, 325 skill)

-This item can be traded and bought. It will update if already in your bag  or bank when you speak to Toranim.

Obtain 6 'phosphorescent pearls', an uncommon update from deep spawn consorts in the Loping Plains. ( 93, 3, 380 ) 

Kill Kassar the Uncontrollable, spawned in the Mistmoore Catacombs by clicking on the hanging bones at ( -56, -28, -98 ) 

Return to Gogas with the components and 20g so that he will craft the weapon for you.

Rewards:

Capillarian Diadem

One of the following, based on Class:

Augur's Everliving Plate Cuirass (Clerics)

Gladiator's Endless Battle Breastplate (Plate Tanks)

Grandmaster's Wind Woven Gi (Brawlers)

Pathfinder's Shadowed Chain Tunic (All Scouts)

Rainkeeper's Blood Moon Tunic (Druids, Channelers)

Ritualist's Darkened Rune Hauberk (Shamans)

Sage's Gemmed Robe (All Mages)