Night and dungeons, darkness very not fun and lanterns useless.
SKILL
NIGHT SIGHT
Magic Needed - 0
cost - 1 fairy dust
time 5 minuites
cost 100 (OR ZERO innate learned skill)

This goes back to "need to see higher level items we -cannot- craft yet."
As a player - we would never know we could since don't see that in alchemy table list.