Blessed Qiraji Bulwark

Blessed Qiraji Bulwark is a shield obtained by turning in Imperial Qiraji Armaments and 3 Elementium Ore to an NPC within the Temple of Ahn'Qiraj. This shield is one of four rewards to choose from.

Source
Blessed Qiraji Bulwark is a quest reward from the quest which starts with Arygos in the Temple of Ahn'Qiraj in Silithus.