Destiny 2's The Witch Queen expansion mainly features the Throne World as its new location. However, the campaign encompasses many other zones and new activities, such as story Strikes or The Wellspring. The Throne World also comprises several sub-areas where players can farm for loot and complete Patrols. Destiny 2 players can also find Region Chests in the Quagmire, Miasma, and Florescent Canal. This guide explains how to get the Region Chests in Miasma.