"Protect us, oh holy one,
from the dangers of the night
may your smoke and ashes
to our souls with clarity ignite"
On an Alien World where life last 100s of years and memories only a decade, a cult has arisen that defines truth only as what is under the sun.
They will serve up the Light to appease their dark gods.
A planet (or city, valley ect) where those who enter witness protection can escape old age and death itself, so they can live for centuries without aging-provided they maintain their cover perfectly. If they are outed by anyone or ever utter their true name, they age the number of years they have not aged since the day they entered witness protection (which might mean that they age centuries in seconds and crumble into dust and bone.)