The KXyz, also known as Knight Xyz (ナイトエクシーズ, Naito Ekushīzu) is the new version of Chaos Xyz Change, just like the FXyzs, IXyzs and TXyzs. They are Warrior-type versions of non-Warrior-type non-Number Xyz Monsters. Their Numbers are called Number Ks, and called Knight Numbers (ナイトナンバー図, Naito Nanbāzu)

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