Emilou Apacci is an Arrancar of the Adjuchas class, a former Fracción of Tier Harribel and one of the Tres Bestias. She was born on May 17. Her height is 156 cm, her weight is 42 kg. Apacci is a tomboyish girl with heterochromia: her right eye is ice-blue, her left is amber with a blue rim, which serves as her Estigma. She has black chin-length hair, and a fragment of a mask on the top of her head with a horn in the middle. She wears the standard Arrancar uniform with shoulder-length sleeves, black cuffs, gloves, and collars at the wrists, which are her Zanpakutō. Seventeen months after Aizen's defeat, her mask changes shape, a red crest appears behind the horn and a lightning tattoo on her left shoulder. She was severely wounded in battle with Quilge Opie, was pierced through the chest and lost consciousness. Her further fate is not revealed.