Twin Temples is the second zone available to the player, and is unlocked as part of the tutorial. The Starpower requirement for this zone is 1.
Cards unlocked here
As a battleground
Twin Temples II is a small battleground with an open center and small pathways on the top and bottom of the map. There are 4 mountains on this map, each near the SENSO-Gates and Extractors, and there are no gaps.
Extractor and SENSO-Gate locations
The SENSO-Gates on this map are locating on the left and right sides of the map, with a mountain adjacent to it. The Extractors are closer to the middle, and a mountain separates the allied and enemy Extractors.