Augments are items used to set a vaults Theme. You can get Augments at a 20-25% chance when opening a completion crate. When getting an Augment, it will alwasy be of the theme the vault had.
Themes will affect mob spawns, room spawns and will also affect the loot in the vaults. All of these perks can be seen when hovering an augment.
Mobs can spawn in different amounts as shown when hovering over the augments. The more filled the bar is the more of the mobs spawn. There are 4 different stages and for simplicity reasons we will use numbers in the Table bellow. The numbers mean:
| 1/4 of the meter is Small amount of Mobs |
| 2/4 of the meter is Some Mobs |
| 3/4 of the meter is Bunch of Mobs |
| 4/4 of the meter is Lots of Mobs |
The augments are:
| Icon | Name | Group | Horde | Assassin | Tank | Dweller | Perk |
| Grotto | Saltshade | Small amount of Drowned | Bunch of Pirateon and Crabs | Some Sunken | Bunch of Dwellers | More Coin Piles & they're Bigger | |
| Flooded | |||||||
| Haunted | |||||||
| Sea floor | |||||||
| Summer | |||||||
| Shipwreck | |||||||
| Aurora | Snowfell | Some Frostwalkers | Some Stray, Wolf and Polar Bear | Small amount of Shiver | Some Dwellers | Larimar is more common | |
| Blizzard | |||||||
| Caverns | |||||||
| Winter | |||||||
| Caverns | Deepcrag | Small amount of Deeprot Miners | Bunch of Orebound | Some Belcher | Some Dwellers | More ores and Chromatic Caves generate | |
| Deepslate | |||||||
| Geodes | |||||||
| Wasteland | |||||||
| Dawn | Bloodveil | Bunch of Rocklings | Some Blood Rogue, Blood slime and Bloodfish | Small amount of Rock Hulk | Bunch of Dwellers | Painite and Black Opal is more common | |
| Ashen | |||||||
| Bloodmoon | |||||||
| Flesh Pit |