Languages in D&D (and how to better use them)

They're so important in our world, why don't languages in D&D feel the same?
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[@TwinSteel]

another potential use I’ve seen: haggling in shopkeeper’s first language gives a bonus because they feel a bit of comradery with the PC

[@seeker296]

Definitely how I use it. Like +1 to cha checks if using native language