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Let's Talk About Darkvision

By the rules, darkvision is like an old B&W film. Trying to say otherwise and find sources to cite requires impressive mental backflips.

The problem comes with trying to explain how darkvision-using creatures would have any use for light. (Light being rather atmospheric for most PC races, and moreover giving darkvision enabled PC's a reason to tolerate their more obvious, less dependant companions. No, I didn't like 2E's "human visual acuity is a weakness" at all.) The sonar-esque explanation is more flavorful, gives darkvision-enabled characters a good reason to have light around, and still allows darkvision-able adventurers to get on with most adventure-style activities unhindered. For that reason, I happily embrace the distance-based house rule. I even changed darkvision from EX to SU across the board, as it seems a tad too fantastic to feel mundane.
 

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Abraxas said:
You missed the point. Underground races wouldn't use light sources right next to their guards - they would use them at a distance so other darkvision using critters would have to cross lighted areas.

No, you’ve missed MY point… that is NOT the scenario I am talking about (I’ve already conceded that point in an earlier post)… dimly lit grandiose subterranean cathedrals sound great – moody, atmospheric… perfect, in fact…

What I am talking about is Drow carrying ‘personal’ light sources… or in an outpost environment, where there are no great distance; an environment where the farthest an enemy can strike at them is within their darkvision range…

Heres a pop quiz for you all… You are running a party, where all of the PCs have darkvision, what’s the chance that they are running with light??? I will guarantee you they run dark… why? Well, if you really have to ask, ask your players…
 

Patryn of Elvenshae said:
Ah - but you're assuming the point to prove the point!

You can't assume you can read without light to prove that you can read without light.

Sorry, it appears I was too vague. I was trying to say that one cannot use the phrase "[...]sufficient light to read them [spellbooks] by" to argue anything. It was not meant to be a support for my view of things.

"Sufficient light" cannot be used as quantificator, because "sufficient" does not specify the amount involved. What's sufficient for one can easilly be too much, or too little, for someone else. "Sufficient food for a day" means a different thing to a halfling or gnome than it does to human or dwarf, and it's certainly not "sufficient" for an ogre. An elf would probably find a lit match sufficient to read comfortably by (provided it could burn long enough). A candle is sufficient for a human, whereas an elf can discern detail in a pretty big room with it. An elf wizard could prepare his spells on am moon-lit night, provided he's outside, with no additional light at all. Such a feat is impossible for a human or a halfling (unless magic is involved).

Also, I think the nonprevalence of dwarven wizards is a point in *my* favor. In general, dwarves don't write on paper. The paper-based spellcasting traditions of humans and elves, therefore, have penetrated very little into dwarven society for exactly that reason. Instead, they have devised their own methods of spell recording - rune magic, which is based on Divine magic.

You mention rune magic in your reply, and divine rune magic is province of FR, therefore I assume you use FR as your setting.

Do drow carve runes? I've read FRCS, Races of Faerun, Player's Guide to Faerun, the Underdark accessory (quite a few books about drow by Salvatore and Cunningham, but they bear no relelvance here, since most were written following the AD&D ruleset and infravision) and yet I never remember reading about them using carved writings as their primary writing method. And yet, they're a race renowned for their wizards.

In fact, you'd think Underdark would have to say something regarding reading and darkvision, provided it was meant to work you say it does.

But, you didn't say anything about the description of the darkvision spell I quoted, which is quite clear on the subject.

Likewise, I referred to, but didn't quote the description of darkvision as written under the dwarf and half-orc entry:
Darkvision:Dwarves can see in the dark up to 60 feet. Darkvision is black and white only, but is othervise like normal sight, and dwarves can function just fine with no light at all.
Again, nothing that would even remotely indicate that darkvision doesn't function just like normal vision, only in black and white.

If you were describing a black-and-white film to some kid that never actually saw one, you'd proably say something like "it's like normal, colour films, only in black-and-white" (or you might say 'greyscale' instead).

If you were describing the kind of vision you support as darkvision, you, in all likelyhood, wouldn't use those words, as they don't describe the effect, because it's not "like normal vision". It is in black-and-white, but that's the only connection between the two.

Also, apparently, the illithid piture is not present in the 3.5 DMG (don't have it at hand to check myself). So you can't base the theory on it. Even if it is in there, it's a stretch, since there are plenty of pictures in the books that don't exactly correspond to the relevant text (check carrion crawler pic and description text in the MM).

And, if you take the "dwarves can function just fine with no light at all" line from the dwarf description, and apply your version of darkvision, then they can't function "just fine". Granted, dwarven wizards are rare. But dwarven blacksmiths, stonemasons, miners, etc. aren't. With your darkvision one piece of metal looks identical to other pieces of metal, that is a smith can't discern steel form iron from copper from mithral from bronze from adamantine from... you get the idea. A dwarven stonesmith can't tell one kind of stone from another. A miner has no way of recognising a lump of ore from a lump of stone. A cook will have trouble cooking (how do you discern various foods once they're chopped -- chopped carrots from chopped potatoes from chopped turnips from chopped beets from chopped beef...). In fact, just about any kind of job would require some degree of light at some time, which can't exactly be described as "functioning just fine with no light at all".

Your idea of darkvision is interesting, and I could see how it has some role-playing merits. But, it carries almost the same baggage old infravision did, which is why 3e designers got rid of it. Darkvision as is is a simple solution. It's not scientiffically accurate, but others have long before proven that it's not healthy mixing real-world science with D&D mechanics.

Regards!
 

Humanophile said:
By the rules, darkvision is like an old B&W film. Trying to say otherwise and find sources to cite requires impressive mental backflips.

The problem comes with trying to explain how darkvision-using creatures would have any use for light.
Agreed, by the rules, B&W film… and by the rules, there is ‘rarely’ (but not never!) a reason to do so…


Humanophile said:
I even changed darkvision from EX to SU across the board
Great idea…
 

posted by Psimancer
No, you’ve missed MY point… that is NOT the scenario I am talking about (I’ve already conceded that point in an earlier post)… dimly lit grandiose subterranean cathedrals sound great – moody, atmospheric… perfect, in fact…
I was responding to your post regarding the ranges of light sources and the fact that they generally weren't greater than the ranges of darkvision.

Also, you didn't specify that the question "why would the badguys with darkvision have light sources" was in regards to roving bands of bad guys running into the adventurers and not the adventurers moving into the settlements/outposts of badguys until after my post. So there was no point to miss - it hadn't been made yet.

Still, don't you think they would carry light sources (not necessarily use them continuously) in case they need to distinguish color?

As for an adventuring group where everyone has darkvision - I've yet to see it.
 

I'm with Patryn

I like the idea of the darkvision he's described, and it's how I've always viewed it. OK you can see black and white things, and in fact grey ones as well, but those bits of information have absolutely NOTHING to do with the actual colour of the object being seen. They're to do with density, distance, movement, whatever.

I'm aware that according to the RAW the design is for a typical Greyscale image, but I like the look of that illithid in the 3.0 image of what Darkvision did. And it fits with everything dwarven as Patryn has described.

And the point about needing light sources to do certain things is fairly irrelevant. The dwarves understand and know how to use fire for forging. They have learned about light and what it allows them to do. They can carry an everburning torch and pull it out to be able to read 'painted words' just as easily as anyone else. They can light up their great halls and will want to because diamonds sparkle when lit up, but are just going to look like crystals to darkvision. Having darkvision doesn't stop them using light, it just makes it a tactical or aesthetic decision about whether you're going to use it here and now.

Edit - typos
 
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Abraxas said:
Still, don't you think they would carry light sources (not necessarily use them continuously) in case they need to distinguish color?
No... You generally find that colour is an adaptation that occurs in a colour-sight based environment...

I think they just recently found a type of flower that also has a specific ‘ultra-violate’ colour that attracts a particular type of bee that sees in that spectrum.

In essence, you are a product of your environment; if your environment is light free, colour is irrelevant…

Actually, I will amend that to a ‘maybe’. As I stated in my first post, fire for cooking and warmth… light would be a side effect… and one that they would loathe… but that is leading into my point - I would like to see Drow 'carrying a light'...


Abraxas said:
As for an adventuring group where everyone has darkvision - I've yet to see it.
About a year and a half ago I was playing in a group which consisted of a Drow, Githyanki, Half-Dragon and an Aasimar… we all had darkvision and we never carried a light source… so I'm speaking from personal experience here...


Abraxas said:
I was responding to your post regarding the ranges of light sources and the fact that they generally weren't greater than the ranges of darkvision.
My bad, I should have used 'carry a light source'...
 
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People keep making excuses for why these people would carry light sources.... and umm... why are we assuming they would? Every time I've run into guys with darkvision underground, they haven't used a light source. Why would they? It would be like me walking around with an ultraviolet lightsource.... doesn't do *me* any good.

-The Souljourner
 

Simple vs. Flavorful/'Realistic' still alive and well I see...

Patryn, the only problem with the assumption you make here is that the only bonus dwarves get to secret door location is via their stonecunning ability. If darkvision worked as you stated, I would think that the description on dwarves would have had something to say about it.

I may be way off base here, but it looks like what you are trying to do is justify how you think darkvision should work without any real regard for the RAW. Why try to argue that the rules support your interpretation? Why not just come out and say that you houserule darkvision and this is how you do it? It isn't like you would be the first one. Anyone who would think less of you for doing so isn't esp. consiquential anyway.

Patryn of Elvenshae said:
Distinguish a flat door on a flat wall. (although I suppose you could see the doorknob)

No / Maybe.

A perfectly flat door flush against a perfectly flat wall, with no crack around it - perfectly fitted? Sounds like the kind of doors dwarves are known for making - because, when dealing with darkvision, it's the only way to hide them - be it from dwarves or other underground creatures!
 

Perun said:
Do drow carve runes? I've read FRCS, Races of Faerun, Player's Guide to Faerun, the Underdark accessory (quite a few books about drow by Salvatore and Cunningham, but they bear no relelvance here, since most were written following the AD&D ruleset and infravision) and yet I never remember reading about them using carved writings as their primary writing method. And yet, they're a race renowned for their wizards.

And in every book ever written about drow, they talk about how their wizards are looked at funny because they rely on candles. This includes the most recent set - The War of the Spider Queen.

Granted, novels are hardly rules canon, but still...
 

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