Iceringer is either an incomplete arrancar or one that never learned how (or cared how) to seal his power in a form of a Zanpakutō, stating that he abandoned human form for greater power. He has four arms, each with three fingers that he uses to shot his Uňa Tirotear from. His Hollow mask is in the shape of a beak with only the upper-left quarter of his mask showing his face. While he does not appear to have legs he is able to use Sonido and his speed is able to match that of Uryū Ishida Hirenkyaku.

Source: Bleach Wiki

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