Light on this mud follows the following scale. It is graduated and every race has the ability to see in some range of light. If the light gets to dark or to bright, certain races will not be able to see. Magically darkened room <0 Absolutely dark room 0 Standard dark room 5 Dimly lit room 20 Mine shaft with candles 30 Partially lit room 50 Well lit room 60 Shaded forest 60 Brightly lit room 80 Direct Sunlight 100 Explosion or flash >200 Human 20 - 200 Lizard Man 40 - 200 Elf 5 - 180 Half-Elf 20 - 190 Dwarf 5 - 150 Gnome 5 - 150 Half Orc 10 - 110 Duergar 0 - 130 Goblin 0 - 90 Drow -5 - 90 Orc 5 - 90 Troll 0 - 80 The vision starts to fuzz out 5 levels above the bottom racial limit and you are totally blind 5 below the lower end of the range. At the top end things are slower, assuming that you can squint, shade your eyes etc. You won't be TOTALLY blind till 40 points above the nominal maximum.