Vault of Glass chest locations are secret loot drops scattered throughout the raid.
A reoccurring staple of raids since the very beginning, in Year 4 of Destiny 2 they have evolved to not only drop a raid weapon or gear piece you’ve already collected, but offer raid-specific mods and aid and exotic-specific currency Spoils of Conquest.
We explain all four Vault of Glass chest locations, how chest drops work, as well as how to open a Vault of Glass chest solo.