The ultimate Demon King of the Heisei era, characterized by golden armor and clock hands on his back. He is an absolute being who controls the power of all Riders and manipulates causality to destroy and recreate space-time.

Possessing a cold and intimidating appearance with blue lines flowing over jet-black armor, he holds divine authority to absorb the power of creation, distort the laws of the world, and reset it into his own dark reality.

A god of destruction clad in sacred yet ominous silver armor engraved with golden patterns. He wields the power of creation equal to Geats IX to magically alter and destroy the structure of reality.

A monstrous Rider with a dark, twisted appearance that grotesquely distorts Decade's form. He forcibly merges worlds from different dimensions or creates Another Worlds to summon dead warriors at will.

A form achieved by absorbing the Grimoire, wearing a magnificent yet bizarre robe of the end. He uses the power of nothingness to erase the stories of the world or forcibly execute the end of all existence.

Resembling a grim reaper in pure white armor with a black cape and memory slots all over his body. Along with his immortal NEVER body, he exerts the ability to permanently disable the functions of all Gaia Memories.

A judge who claims to be the administrator of the game, featuring a sophisticated design with green and black clock hand motifs. He uses his 'Pause' ability to completely stop time worldwide, unilaterally overwhelming defenseless enemies.

A Rider symbolizing the pinnacle of alchemy, boasting a brilliant and mysterious golden appearance. He has the ability to transmute all surrounding matter into gold or restructure and annihilate the existence of his opponents.

Appearance: His head is shaped like a pocket watch, and his overall silhouette, including the compound eyes and shoulder decorations, pays homage to the designs of Ohma Zi-O and Shadow Moon. Characteristics: A figure who seeks to end the history of Heisei Riders and repackage it anew. He possesses powerful special abilities to nullify the powers of Heisei Riders. He uses the 'Revolcane' as his dedicated weapon to fire red sword energy. Strength: He demonstrates top-tier combat power, overwhelming and defeating the attacks and finishing moves of Grand Zi-O and numerous Final Form Riders summoned by the Heisei Riders using his overwhelming specs and special abilities.

An extraterrestrial lifeform that destroyed Mars, possessing a celestial-themed appearance mixed with red and blue. He exerts overwhelming power to generate black holes, absorbing entire planets and manipulating space-time.