20She Is Half Al Bhed
As one can guess, mixing of the two races is rare and frowned upon. This is mainly why Yuna's mixed blood is kept as a secret.
The world of Spira is a conservative place where most of everyday life is governed by ancient traditions. While most of its residents adhere to the teaching of Yevon, a race known as Al Bhed live on the margins of society and do not practice the religion. As a result,
they tend to be looked down at with contempt.
Her father was a famous summoner, while her mother was an unknown Al Bhed. Even some of her closest companions, such as Wakka, do not find out until later in the campaign.