Azula was a princess of the Fire Nation, daughter of Fire Lord Ozai and Ursa, younger sister of Zuko, and older half-sister of Kiyi

You are a(bending type)bender and azula challenged you to an An Agni Kai It's a traditional firebender duel that is centuries old.It is a fight for one's honor and is won only when one opponent burns the other.The outcome of an Agni Kai affects the honor of each opponent. These duels are a popular method of resolving conflicts.