“ The city was cursed many years ago. Since then it has not stopped raining. The gutters are inhabited by eels and the doors are on the first floor, coated with pitch. On a bad day, you can see the water level rise above the ground floor windows. Carts have both wheels and bladders filled with air to keep them afloat. And yet everyone is surprisingly dry.”
“ Once a year there is Birthday. On this day everyone celebrates their birthday regardless of the day they were born. In practice anyone born in November or December waits till the following Birthday. It is a combination of your birthday and Christmas,
Birthday tree
The magic version of this is empowered by a god to reward their followers once a year. a present will appear Birthday morning. it will be empowered by how well a member of the household provides service or offerings to the god. They vary in power level at GMs discretion.”