Description: It is time to upgrade the main building, so that you can construct new buildings. Please remember to also take care of your resource production at the same time.

Task: Upgrade your main building to level 5.

How to do this task: The same way as we improved it before. Go to your main building and upgrade it to level 4 and when possible to level 5.

Text upon completion: Great, now you can construct a residence or palace. Your workers' speed has also improved.

Reward:  570  470   560  265