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

Cuergo's Treasure Map

Source	How	Reagents
Upper Map Fragment	Use item	Upper Map FragmentLower Map FragmentMiddle Map Fragment
Lower Map Fragment	Use item	Upper Map FragmentLower Map FragmentMiddle Map Fragment
Middle Map Fragment	Use item	Upper Map FragmentLower Map FragmentMiddle Map Fragment