She has iron-gray hair and is tall and plump. A stern woman who brooked no nonsense and saw nonsense everywhere.
Having gray hair may indicate that Miyasi is very old, most likely more than two hundred.
Miyasi is very particular and will only eat walnuts if they are whole.
Miyasi is in Ferane's quarters being served by Egwene when Ferane asks her on how she would have approached the Dragon Reborn. Egwene in turn tries to encourage Ferane and Miyasi to think logically and approach the other Ajahs to try and mend the White Tower cracks that have formed.