What are Vaults?
Vaults were a new type of Dungeon added in Diablo 4 Season 3: Season of the Construct.
Vaults were origianlly created to keep out the forces of evil but have now been corrupted by Malphas, the Season 3 antagonist. These Vaults house elemental Hazards devised by Zoltun Kulle and Ayuzhan. They also contain the new monster type Constructs which have several elemental variants.
How do you access Vaults?
Vailts can be accessed with the Vault Sigils which drop alongside typical dungeon sigils. They can also be crafted at the Occultist and require Pearls of Warding to create.
How do you Get Pearls of Warding?
Pearls of Warding are acquired by defeating Elite Constructs in the Arcane Tremors event which has been added in Season 3.
What is Zoltun's Warding in Vaults?
Upon entering a Vault, players are blessed by Zoltun’s Warding, a layered blessing which grants access to riches within the Vaults. Zoltun’s Warding diminishes stack by stack if you manage to fall prey to the various Hazards scattered throughout the Vaults.
Pearls of Warding can be exchanged on entering a Vault for extra stacks of Zoltun's Warding, This can increase the reward.
If the Warding is intact after defeating the Vault boss, players will unlock a Wardwoven Chest.
What is a Wardwoven Chest?
These end of Vault chests will have a higher chance of Legendary item drops and overall better loot.