Linguist

You have studied languages and codes, gaining the following benefits:

• Increase your Intelligence score by 1, to a maximum of 20.
• 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.

name = 'Linguist'
description = "***Feat: Linguist.*** You have studied languages and codes."
def prereq(npc): return True
def apply(npc):
    npc.INT += 1

    npc.languages.append("CHOOSE")
    npc.languages.append("CHOOSE")
    npc.languages.append("CHOOSE")

    npc.defer(lambda npc: npc.traits.append(f"***Encipher.*** 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 {npc.INT + npc.proficiencybonus()}), or they use magic to decipher it.") )