The Embassy is the place for diplomatic relations. Here you can view the information about the Kingdom and Secret Society you are in or you can found a new one.
Shows Oases within reach of your village and allows you to choose an oasis to use for each open slot you have (max. 3). Check Oases: How to annex and control for more details.
You can only see oases after building your first embassy.
Oasis slots open at Embassy level 1, 10 and 20.
Requirements: Main Building Level 1

Note:
For detailed costs, bonuses, and requirements of all buildings and resource fields, you can use this Building upgrade calculator.