Character profile
Kei Kuruma
Biography
Kei Kuruma is the only girl among the four ARMS protagonists and has known about her ARMS throughout her life. Raised and trained by the Bluemen as an elite soldier, she grows up lonely and bitter because many of them treat her as a weapon rather than a person. Her Queen of Hearts ARMS is concentrated in her eyes, providing powerful sensory abilities and letting her activate, enhance, or deactivate her teammates' ARMS.
Story spoilers
Meeting Ryo and the other ARMS subjects teaches Kei friendship and teamwork, while her relationship with Hayato appears to grow closer without a confirmed outcome. Queen of Hearts later develops a radiant final form and the "Mirror of Aegis," which appears able to reflect attacks. It also reveals a final "Destroy" function capable of permanently deactivating every ARMS descended from Alice, including Alice herself, at the cost of killing their hosts; whether Kei could bring herself to use it remains unknown.
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