History of Light of the Great Prism

Overview

Light of the Great Prism is the Titan class item (Titan Mark) of the Vault of Glass armor set, the Titan version of which is the Kabr set. The armor was added with Season of the Splicer. Titan, Hunter and Warlock each have their own look; the Hunter class item is the Shattered Vault Cloak.

Acquisition

Dropped by the Vault of Glass raid. Sources agree the set pieces drop across the raid's encounters, but do not say which encounter drops the class item.