Items, NPCs, quests, objects and spells of patch 1.12.1, read live from the realm itself.

Amulet of Union

Quest	Level	Side
The Pariah's Instructions	48	Both

Source	How	Reagents
Gem of the First Khan	Use item	Gem of the First KhanGem of the Second KhanGem of the Third KhanGem of the Fourth KhanGem of the Fifth KhanAmulet of Spirits
Gem of the Second Khan	Use item	Gem of the First KhanGem of the Second KhanGem of the Third KhanGem of the Fourth KhanGem of the Fifth KhanAmulet of Spirits
Gem of the Third Khan	Use item	Gem of the First KhanGem of the Second KhanGem of the Third KhanGem of the Fourth KhanGem of the Fifth KhanAmulet of Spirits
Gem of the Fourth Khan	Use item	Gem of the First KhanGem of the Second KhanGem of the Third KhanGem of the Fourth KhanGem of the Fifth KhanAmulet of Spirits
Gem of the Fifth Khan	Use item	Gem of the First KhanGem of the Second KhanGem of the Third KhanGem of the Fourth KhanGem of the Fifth KhanAmulet of Spirits