When D&D moved to the newer, simpler 5th edition they disregarded a lot of the nuance that made the earlier editions of D&D more detailed.
This made the game simpler, but it lost a lot in the process.
An example of this is darkvision and the lack of, what was in 3rd edition, low-light vision.
Low-light vision gave someone the ability to see better in, well, low-light conditions.
When 5th edition rolled around, it did away with low-light vision and just gave almost all races darkvision instead – for simplicity.
This is one of the areas where the simplicity of 5th edition fell down as elves and half-elves, who once had low-light vision, ended up with darkvision instead.
Which is a possible strength of 5e.
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What is Low-Light Vision?
Low-light vision was a good ability as it allowed, like its name suggests, a race to see better and further in low (or dim) light.
This is how low-light vision appears in D&D 3rd edition for elves:
Low-light Vision: An elf can see twice as far as a human in starlight, moonlight, torchlight, and similar conditions of poor illumination. She retains the ability to distinguish color and detail under these conditions.
We can easily bring this into D&D 5th edition by almost keeping it as is.
D&D 5th Edition Conversion
Here is the 5th level conversion:
Low-light Vision. You can see twice as far in dim light. You retain the ability to distinguish color and detail under these conditions.
This would allow elves, for example, to double the distance they can see in dim light.
A torch light is bright out to 20ft and then dim out to another 20ft (40ft from the person holding the torch). With low-light vision, the torch-holding elf could see 20ft in bright light and 40ft in dim light (out to 60ft from where they are standing).
They still receive the disadvantage for perception checks in dim light (but then so do races with darkvision) – the only thing they cannot do is see in complete darkness, which makes sense for surface-dwelling elves and half-elves.
Design Note: You could say that characters will low-light vision don’t have disadvantage in dim light instead of extending the range. This would be a good trade-off with darkvision.
PHB Races with Darkvision
The following races currently have darkvision in D&D 5th RAW:
- Dwarves – out to 60ft
- Elves – out to 60ft (except Dark Elves, who have it out to 120ft)
- Gnomes – out to 60ft
- Half-Elf – out to 60ft
- Half-Orc – out to 60ft
- Tiefling – out to 60ft
Out of these races I see the Dwarves, Half-Orcs, and Tieflings having dark vision and the others having low-light vision.
I am not sure why Elves (with the exception of Dark Elves), Half-Elves, and Gnomes would receive dark vision.
You could argue that Rock Gnomes would have it, but given it’s a Gnome trait (and not a sub-class trait) this seems more difficult to change.
This is part of the reason I have major issues with D&D Gnomes, and why I use my own Gnome variant in my campaign world, instead of those in the PHB.
Conversion for this would be quite simple – just replace dark vision with low-light vision for the following races: Elves (with the exception of Dark Elves), Half-Elves, and Gnomes.
Design Note: You could see low-light vision as something that is not as good as dark vision and want to compensate the race for this change, but I don’t see it as that big a shift. But if you do want to, you could always give them a skill or tool proficiency in addition.
Over to you
Would you introduce low-light vision back into the game? Do you see the advantages?