Crafted Trials

Blocks: 

• Vault Shells: can be crafted with copper, iron, chains, and chiseled copper
• Ominous Vault Shells: can be crafted with copper, iron, chains, and oxidised chiseled copper

Items:

• Spawner Cores: can be obtained as a rare loot from ominous trial spawners

Mechancis:

• Use the spawner core on a vault shell to see a preview of how to build  the vault altar
• this will also give you a materials list
• Use the spawner core again once the altar is built to light the vault
• Spawner cores can be used to restore vaults if the altar is intact
• There is also a guide which can be accessed by a new button added to the player inventory