The Victory Pillar
The Victory Pillar is a premium decoration unlocked once a player reaches the Iron Age. One can also be obtained by conquering Tarmelmann during bonus missions. Its happiness output can be doubled by polishing it.
+60 per tile.
Your decoration can be polished to double the happiness provided to +120 for 12 hours.
In update 1.85, the graphic of the Victory Pillar was updated.