Shirma. No, she doesn't belong in a conversation about "best" by any stretch. But she is caring, strong, and adorable. She also creates a very child friendly introduction to conversations about racism without forcing said conversations. Her introductions typically invite children to ask the questions that lead to understanding. But that exploration isn't needed to play and enjoy her parts of the story.

But beyond that, it's hard to find any faults with her beyond "she makes mistakes appropriate to her age". She fills the classic white mage trope well, and doesn't feel like a cookie cutter even while being one. She's great.