Rider Syndrome

is a mysterious ability used by the Showa Riders. The Riders stand in a circle, join hands and syncronize their power into a concentrated burst of energy.https://www.kamen-rider-official.com/zukan/characters/4111 Potentially capable of warping reality itself,https://www.kamen-rider-official.com/zukan/characters/1208 the Riders solely use Rider Syndrome when faced with a dire crisis.
Rider Syndrome In STR.jpg|The Seven Legendary Riders used the Rider Syndrome to destroy the Great Leader of Delzer Army.
File:All together rider syndrome.jpg|The Seven Legendary Riders used the Rider Syndrome to defeat Great General Darkness.
Rider Syndrome In ZX.jpg|The first ten Kamen Riders used the Rider Syndrome to destroy the Spacetime Rupture System.
Rider Syndrome (EVE).jpg|The 10 Kamen Riders used the Rider Syndrome to give Jun Kadowaki a Rider form.
Rider Syndrome In KRT.jpg|The 15 Showa Riders used the Rider Syndrome to help Shu Aoi's spirit to bid farewell to his parents.
PichinkoRiderSyndrome.jpg|The Seven Legendary Riders used the Rider Syndrome to perform a giant Rider Kick in Pachinko Kamen Rider: Full Throttle.
Rider Syndrome SIC toyline.jpg|The six Showa Riders performing the Rider Syndrome on the promotional art for Super Imaginative Chogokin toy set.
==Appearances==
* Kamen Rider Stronger
** Episode 39/Finale: Goodbye! The Glorious Seven Riders!
**All Together! Seven Kamen Riders!!
* Birth of the 10th! Kamen Riders All Together!!
* Kamen Rider 1 Through RX: Big Gathering 
* Kamen Rider Eve -Masked Rider Gaia-
* Heisei Rider vs. Showa Rider: Kamen Rider Taisen feat. Super Sentai
*Pachinko Kamen Rider: Full Throttle
*Kamen Rider Battle: Ganbarizing
== Notes== 
*While never explicitly made clear, it is likely that Wataru Kurenai/Kamen Rider Kiva and the other Heisei Riders used this ability in Kamen Rider Decade, given how they slowed down the destruction of reality via combining their powersRider War (episode). 
Category:Rider Powers
Category:Phenomenon
Category:Kamen Rider Stronger
Category:Kamen Rider ZX
Category:Kamen Rider Finishers