Nada Kuya is a backstory character in Fire Emblem: The Sacred Stones. Known as the battle princess, she was an ancient heroine of Caer Pelyn who liberated the village from a foreign nation's occupation. She led the charge against the invaders with a sword made of the dragonkin's fang.
She is only mentioned in a support conversation between Eirika and Saleh. If they reach A support, they will get married and their daughter is said to greatly resemble Nada Kuya herself.