Rider Syndrome

Rider Syndrome (ライダーシンドローム) is a mysterious powerful ability used by the Showa Riders.

Appearances

 * Icon-stronger.png Kamen Rider Stronger
 * Episode 39/Finale: Goodbye! The Glorious Seven Riders!
 * Icon-zx.png Birth of the 10th! Kamen Riders All Together!!
 * Icon-rx.png Kamen Rider 1 Through RX: Big Gathering
 * Icon-krorig.png Kamen Rider Eve -Masked Rider Gaia-
 * Icon-gaim.png Heisei Rider vs. Showa Rider: Kamen Rider Taisen feat. Super Sentai