Mega Reversal Machine

The Mega Reversal Machine (メガリバーサルマシン) was a superweapon possessed by the Underground Empire Badan, appearing as a grand tower not cosmetically unlike Badan's first superweapon, the Space Break System. With the machine, Badan, as the Kingdom of the Dead, planned to flip the lands of the dead and the living, bringing all deceased souls back at the cost of all present life on Earth, with the goal being to restore the empire's army of monsters. The key to this plan was a young boy, Shuu Aoi, who revived after being killed in an accident with a strange power.

The Mega Reversal Machine structure initally appeared as the nervous system of Badan's underground base, the Badan City, with the heart of the machine being a cell to contain Shuu and draw his power, and a mouthpiece for The Generalissimo of Badan at the bottom of the tower. The Mega Reversal Machine then appeared to emerge on the surface as the Great Leader revealed himself following the battle between the Heisei Riders and Showa Riders leaving Gaim as the last Kamen Rider. At that moment, Badan's general, Ambassador Darkness, revealed himself as Ryo Murasame (Kamen Rider ZX), crippling the structure with his Cross Shuriken. However, it was revealed that the one he destroyed was just a dummy. Ren Aoi (Kamen Rider Fifteen) revealed Mega Reversal Machine and Badan's base was one and the same, with the Badan City emerging as a flying saucer with the Mega Reversal Machine tower on top of it.