No water or ground pollution in a city of over 10,000 residents

Encounter an Agent of the Nine somewhere in the system.

Defeat a Forsaken Nightfall Boss.

Enter the Dreaming City.

Earn 5,000 Triumph points.

Recover the stars.

Execute 3 Surprise Strikes.

Have 5 Fire Stations

Earn 15,000 per week

Purchase a new map tile for the first time

Use the district tool to draw 3 districts

Have a population of 40 in your city

Obtain five highly rare pieces of armor.