- "A persona is another you. Their power grows not just through battle with Shadows, but also through through your interaction with others." -- 
Each persona is a part of a larger category, called an Arcana. There are 22 Arcana in Persona 3, and 23 in FES (the Aeon Arcana is . Personae have unique attributes (strengths and weaknesses) and can also be fused to make more powerful personae.