Hirohiko Sato

This was a Dark Rider who murdered and assumed the guise of the Negatives World counterpart of , Natsumi's TG Club high school classmate. He was destroyed by Decade Complete Form with the Ryuki Survive Final Kamen Ride.
Earlier, in the World of Faiz, Narutaki summoned a version of Ryuga to finish off Decade, who at the time was unable to transform. This one was defeated by Diend using the Kiva Arrow.__TOC__
==Kamen Rider Ryuga==
Kamen Rider Ryuga
;Rider Statistics. (2003). Masked Rider Ryuki: Complete Works. Final Volume. p. 70-73. ISBN 978-4091014863.
*Rider Height: 190 cm
*Rider Weight: 90 kg
;Ability Parameters
*Punching Power: 250 AP (12.5 t)
*Kicking Power: 450 AP (22.5 t)
*Maximum Jump Height: 40 m
*Maximum Running Speed: 100 m per 4.5 seconds
*Eyesight: 17 km
*Hearing: 17 km
;Special Attacks
*Advent: Dragblacker: 6000 (300 t)
*Dragsaber: 3000 AP (150 t)
*Dragclaw: 3000 AP (150 t)
*Dragshield: 3000 GP (150 t)
*Dragon Rider Kick: 7000 AP (350 t)
KRRy-Ryuga (With Dragsaber).png|Ryuga armed with Dragsaber
Kamen Rider Ryuga is a dark, Mirror World version of Ryuki. He is contracted to Dragblacker, a dark version of Ryuki's Dragreder. His Visor, the , is equipped on his left arm. Like Ryuki, Ryuga's parameters are balanced. However, they are heightened to the point where Ryuga is the strongest out of all of the 13 Riders, with the exception of those using a Survive Advent Card.
Through the use of his Sword Vent Advent Card, Ryuga can arm himself with the , a sword derived from Dragblacker's tail. His Strike Vent arms him with the , a gauntlet capable of shooting fireballs that is derived from Dragblacker's head. With the Dragclaw, Ryuga can perform the attack with Dragblacker, in which he and Dragblacker each launch a fireball at the opponent. His Guard Vent equips him with the , two shields derived from segments of Dragblacker's body that can be held by hand or mounted on Ryuga's shoulders.
By using his Final Vent, Ryuga can execute his finisher, the , in which he jumps into the air with Dragblacker flying behind him. Dragblacker then breathes dark blue fire at Ryuga, propelling him into a flying kick that strikes the enemy.
Appearances: Decade Episode 20-21.
== Contract Monster ==
==Equipment==
*Card Deck - Transformation device and Advent Card holder
*V Buckle - Transformation belt
*Advent Cards - Trinkets that enable a Rider to summon Contract Monsters, access equipment, and use special abilities
*Blackdragvisor - Ryuga's Visor that enables him to use Advent Cards
==Behind the Scenes==
===Portrayal===
Hirohiko Sato is portrayed by ,As Kamen Rider Ryuga , his suit actor is unknown
==Appearances==
* Kamen Rider Decade
**Episode 20: The Nega-World's Dark Riders
**Episode 21: The Walking All-Rider Album
**Kamen Rider Decade: World Destruction Chapter
==Navigation==
Category:Deceased
Category:Decade Characters
Category:Kamen Rider Decade
Category:Villains
Category:Decade Riders
Category:Heisei Era Riders
Category:Dark Riders