DYK:2016 week 30

• … that devils, demons, and night hags trade souls and use them as currency?
• … that souls are born and mature on the Positive Energy Plane on giant tree-like structures?
• … that although the fey of the First World have souls, they simply are regenerated when they die there?
• … that android act as hosts to a serial collection of souls that are replaced after a human-equivalent lifespan?