His enemy turned ally on the other hand, Geiz Myokoin/Kamen Rider Geiz came from the year 2068 and traveled back to the present in order to defeat Zi-O who said to become Ohma Zi-O! Though he is the same age as Sougo, he is more mature. As for his gear, aside from his own Ziku Driver and his Geiz RideWatch, he is equipped with the Zikan Zaxe, a weapon with two modes: bow and axe modes. His finisher is called "Time Burst" and also rides the Ride Striker.
Kamen Rider Zi-O is set to premiere on September 2nd, replacing Kamen Rider Build in TV-Asahi's Super Hero Time block.
[Source: Kamen Rider FB (link 2, link 3), SpecialForm12]