Also known as: 仮面ライダーダークキバ, ダークキバ
"This is my proclamation as king, rejoice"
―King issuing his death warrant
The Checkmate Four's original King (キング Kingu) was referred to as the first Dark Kiva (闇のキバ Yami no Kiba), the lord of all Fangires and the original Kiva who was a threat to humanity in his time. He was also known as the Bat Fangire (バットファンガイア Batto Fangaia), with his true name being The Dawn Sleeps, A Magnificent Story's Ending (暁が眠る、素晴らしき物語の果て Akatsuki ga Nemuru, Subarashiki Monogatari no Hate). He was from the Beast Class of the Fangire subclass.