Changeling Demure

You learn how to apply magic to slip into a society that you don't understand. when you take the feat you learn the comprehend languages spell and can cast it at will, without expending a spell slot. At 3rd level you also learn detect thoughts that you can cast once without expending a spell slot.  At 5th level you learn tongues which you can cast at will, without expending a spell slot. You regain the ability to cast detect thoughts in this way when you finish a short rest. Charisma is your spellcasting ability for all three spells.