Running out of space in your habitats? This building will allow you to store a large number of monsters, so you can call them to your army whenever you need them!
The Monster Vault is a long-term storage solution for monster collectors. With the maximum habitat limit being 90, players can only house a maximum number of 360 monsters in habitats, far fewer than the total number of unique monsters. The building costs 20,000,000 and takes 2 days to build.
Monsters can be directly hatched into it from the Hatchery. Once inside, monsters stop generating gold but can otherwise be used normally in the game without having to be removed.
Storage slots may be purchased with 5 or (see table below). For every player level above 70, players earn 5 for free. Players may also obtain as special prizes in the game. Slots may be purchased with as follows: