Hot answers tagged languages
Yes. From 5e PHB, p. 123 Some of these languages are actually families of languages with many dialects. For example, the Primordial language includes the Auran, Aquan, Ignan, and Terran dialects, one for each of the four elemental planes. Creatures that speak different dialects of the same language can communicate with one another.
The other player is incorrect. If you have telepathy, you can communicate with any creature that knows any language, regardless of whether or not you speak that language. As you quoted, A creature with [telepathy] can communicate telepathically with any other creature [...] that has a language. That is the only requirement: a language. Not any ...
The psionic power mindlink does exactly what you want: It's low level and works on any creature that has an Intelligence of 3 or higher. (As long as you spend the points to make it work on an unwilling target.) And most importantly: You can communicate telepathically through the bond even if you do not share a common language. As a backup option, as ...
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