The best example of persona narrative is John Milton's Paradise Lost, which features a visionary first-person narrator.
Persona vs tone
Persona : persona is applied to the first person speaker who tells the story in a narrative poem or novel, or whose voice we hear in a lyric poem.
Eg: John Milton's Paradise Lost is a prime example of a visionary first-person persona narrative.
Tone: Tone is the expression of a literary speaker’s attitude to his listener. It reflects speakers sense or how he stands toward those being addressed.
The tone of a speech can be described as disapproving or approving, formal or casual, direct or reserved, serious or playful, proud or humble, angry or caring, sincere or sarcastic, superior or overly flattering, and so on……