Legend

"She's a true genius," Duke Sun said. "No wonder she has the purple pupils."

"Huh?" Henry listened to his father's words and was confused.

What was the relationship of having the purple colored pupil with Aurora being a genius?

Henry couldn't think of any connections.

Duke Sun looked at his son and sighed. "You're still young, so you never have the chance to see that era. The era that's dominated by the two geniuses. Why do you think that the pupil color of the people in the Royal Families in various kingdoms are so iconic?"

"The Sand Kingdom and the others didn't seem to have such specific trait," Henry defended. 

"I'm talking about Sun Kingdom." Duke Sun glanced at his son and snorted. "The golden pupil and the purple pupils… There was a legend who said that the descendants who inherited these two pupils would be geniuses."

Genius?

Henry thought about the current Yellow Kingdom's King and also the crown prince…