A wand of light, when zapped or engraved with, lights an area with radius of 5, or the whole room if on the rogue level. Engraving with it immediately identifies it. Like other wands, applying a wand of light will break it. The results will be an explosion dealing 1 to (4*charges) damage, the hero being blinded for (charges+1)d25 turns (surrounding monsters may also be blinded, and gremlins take damage) and the same area being lit as if zapped.
Wands comprise 4% of all randomly-generated items in the main dungeon, 6% in containers, 5% on the Rogue level, and 8% in Gehennom. There is a 9.5% chance that a randomly-generated wand will be a wand of light, making it the most generated wand.
- In the early game, it may be useful to help mapping the Gnomish Mines, should the level be randomly spawned unlit. Certain quest levels have large unlit sections, where it may be useful to mark where the player has been (though there is an option to make this redundant). In the late game, the maze levels' structure removes what little use it had.
- The wand of light is a good target for polypiling, because it isn't all that useful outside of the early game, and is usually generated with a lot of charges.
In sporkhack, they blind nearby creatures, even if you're only engraving with it. If you've camped-up in a temple, mind the priest. Grumble grumble grumble...