Linguist

D&D 2024 feat: Linguist. Source: Player's Handbook (2014). category Feat You have studied languages and codes, gaining the following benefits: You learn three languages of your choice. You can ably create written ciphers. Others can't decipher a code you create unless you teach them, they succeed on an Intelligence check (DC equal to your Intelligence score + your proficiency bonus), or they use magic to decipher it.