Improved portal is an upgraded version of the main stockpile, which allows dwarfs to make expeditions and search for additional resources in biomes, by using the multiplayer game spell.
Once crafted, the improved portal cannot be downgraded, and the spell to access biomes will henceforth be available in the inventory among other spells.
This item cannot be bought at the shop and can be crafted only once.
||19 Dec 2015
||Introduced (with Biomes).
- ↑ This is the inventory name of the item. In game files it's called
- ↑ Instruction found in the game tutorial.