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Intro. The Queen is one of the large forms of the species Xenomorph XX121 that serves as the mother and leader of a Xenomorph Hive. Queens are one of the largest, strongest, and most intelligent Xenomorph castes, and their appearance differs from that of smaller variants, with a pair of extra arms growing from their chest and a large head crest extending rearwards from their skull.

Xenomorph Queen

@Izuku