No set number but somewhere between the phb and 20. I think I'm using 15 atm.
DEPENDS.
ON.
THE.
SETTING.
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In all seriousness, though, maybe I could be convinced to cough up an actual number if someone could finally tell me how "no elves in my Game-that-Isn't-D&D campaign" is meaningfully different from "no elves my D&D campaign.
It depends on the theme and the setting. Mostly I find 3-4 nonhuman races is about thee limit of what I can work in and have it feel cohesive.
@Dausuul &
@Zardnaar , thanks for the response. So, there is a range between y'all's "thresholds". I'm curious what happens when you begin to approach those. Is it something where you don't have a place in your world where any additional race would fit? or is it more of a tone thing? Or is it something else?
Basically what's the nature of the break you feel in your setting(s)?
@Jack Daniel , I believe this is the first I've interacted with you. "Tongue-in-cheek" is a bit different from open and rather aggressive condescension. And, as I mentioned to
@Snarf Zagyg earlier, my curiosity is focused on what, in particular, it is that that breaks the setting, and how you know it's broken. I'm quite sure that number will vary for those in the thread that use such limitations.
As I've mentioned previously, while my personal preference is a game with more options, I do recognize the work that goes into dm-ing, so I'm disinclined to push outside of any set boundaries. I am interested in how they get set though.
As it relates to your question of what's the difference between no elves in one game vs. no elves in D&D, thematically, not a whole hell of a lot insofar as both games could easily run smoothly. That said, D&D is designed to incorporate racial diversity as part of it's core mechanics. Literally step 1 is choose a race. A subtraction from the pool
is a subtraction. For games without that component to them, there is no subtraction, at least as it relates to 'official' races.