Eirika (エイリーク, Eirīku?, Eirik in the Japanese game) is the daughter of King Fado, the younger twin sister of Prince Ephraim and the princess of Renais. She is a competent swordfighter, having learned the art of swordplay from her brother and later from Seth; however, she believes in looking for more diplomatic solutions before relying on strength. She has a very close friendship with both Princess Tana of Frelia and Prince Lyon of Grado. She wears the Lunar Brace, which is one of a pair of bracelets that together grant access to Renais's Sacred Stone.
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