Required resources: 20,000 
, 10,000 
, 5,000 
, 10,000 
, 250 
, and 25,000 
for research cost.
Effects: Makes Secret Society of the Key members live forever. Also produces random resources every day.
Fun Stuff to do with it: Make your favorite NPC immortal by changing their work area and living area to the Society Building. (Note: Immortals past the age of 90 in the Secret Society that are replaced die naturally after 2 in-game years (around 1 minute, 1 year is 30 seconds at full speed but 1 minute at average) So in the end if you fire a 120 year old immortal, they die after 1 minute.