
His meeting with Wataru and taking his title as the Fangire King, as well as his eventual downward spiral, forces Taiga to knock out Maya to take the power of Dark Kiva as his own and reclaim his birthright. He would use the Dark Kiva power to settle things with Wataru once and for all, but in the end, he relents and uses the power to fight the revived Bat Fangire. The Dark Kiva powers would stay with Taiga after the final battle was over. Dark Kiva only appears to have one form, similar to that of Kiva Emperor Form in black and red. However, Dark Kiva doesn't require the use of a being such as Tatsulot to achieve this form, and has no chains on his body as Kiva needs to control his power. As Dark Kiva, the King has access to an unlimited potential of power that is hindered within his successor such as telekinesis and the use of the Kiva insignia as a weapon. As Maya would later explain, the Kiva power cannot be used by a normal human, as usage would ultimately result in death. This would prove to be true, as Otoya had used the Dark Kiva power a total of three times before finally dying due to the strain it put on his body. Shima also mentioned this when Wataru revealed his heritage to him.