A Conversation with Mr Fires/Tables

From Fallen London Wiki
Station VIII: DarknessDescription
0 - 2Its excessive illumination means you know exactly where you're headed: a little north, a little west, but chiefly up.
3 - 4It is lit brightly enough to continue to serve as a beacon, showing your bearings, for quite some time, as you head slightly northwest and very much upwards.
5It is lit brightly enough to continue to serve as a beacon for a little while, but it is occluded by mist and darkness long before you finish your rise to the ceiling.
6 - 7It is so dark that you soon lose sight of it, and cannot use it to take your bearings.