Based on a spider and spider web. Spider Genome is the default form of Kamen Rider Demons.
Accessed by stamping the Spider Vistamp on top of the Demons Driver before stamping it in the center slot of the Driver.
Demons can utilize other Vistamps with the Demons Driver to access Genomix forms.
Based on a mole and Kamen Rider Amazon.
Accessed while in Spider Genome.
Accessed by stamping the Mogura Vistamp on top of the Demons Driver before stamping it in the center slot of the Driver.
Demons is equipped with a drill-like weapon called the Demon Diguzon, a drill-like weapon sporting Kamen Rider Amazon's aesthetics.
Based on a scorpion and Kamen Rider X.
Accessed while in Spider Genome.
Accessed by stamping the Scorpion Vistamp on top of the Demons Driver before stamping it in the center slot of the Driver.
Demons possesses the Demon Ridolstinger, a massive mechanical tail resembling that of a scorpion's and a reference to Kamen Rider X's Ridol Stick.
Based on an anomalocaris.
Multi-Genomix form that is also combined with the use of the Batta and Scorpion Vistamps.
Accessed by stamping the Anomalocaris Vistamp on top of the Demons Driver before stamping it in the center slot of the Driver.
Demons possesses the Demon Bradior, claw-like armaments with the aesthetics of Kamen Rider Black.
Combined with other Vistamps, Demons overpowers Jack Revice with brute strength.