Ryoga Shindai

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 is a swordsman of the Sword of Logos who transforms into .
==History==
===Background===
Ryoga Shindai is a member of the Sword of Logos and the inheritor of Jikokuken Kaiji known as Kamen Rider Durendal. He and his younger sister Reika were members of the Shindai clan which served Sword of Logos for generations. Ryoga joined Southern Base to serve the current Master Logos as his bodyguard, but remained hidden in the background before he was permitted to be deployed.
===The Time Swordsman===
Ryoga Shindai made his presence known following the emergence of the new Kamen Rider Calibur. Having reunited with his sister Reika, he stands beside Master Logos and suggests to defeat Calibur and reclaim Ankokuken Kurayami to unseal the Seiken.
Ryoga appears to defend Master Logos right after Rintaro Shindo discovered the conspiracy within Sword of Logos. Ryoga transforms into Kamen Rider Durandal and fights Rintaro. Using his time manipulation abilities, he overwhelms Blades out of transformation. When Touma arrives, he offers to trade his arsenal to ensure Rintaro's life, while Yuri was on standby to assist when needed. However, Ryoga used his powers to turn the tables on his enemy but caught off guard by Yuri's appearance. He did inflict a near fatal blow on Touma though before the three swordsmen made their escape.
===War against Master Logos===
Once Master Logos disabled the Northern Base defenses, Ryoga joined with Reika to breach the base. The Shindai siblings ordered the swordsmen into handing over the Seikens and Wonder Ride Books. While engaging with Saber and Saikou, Ryoga tells Reika to take the remaining Seiken and the Wonder Ride Books. Ryoga was initially gained the upper hand with his temporal abilities, until Saber managed to counter Durendal's time skip technique, leading Master Logos to force Durendal to withdraw.
While instructed to watch over the Northern Base swordsmen, Ryoga went to intercept Rintaro Shindo after he had acchieved Tategami Hyoujuusenki. However, Kamen Rider Falchion arrived having been summoned by Master Logos to intercept the swordsmen. He questioned the Master's intention of unsealing Bahato, but forced to comply to his commands. As Master Logos began his ritual to summon the Almighty Book, the Shindai siblings assist Master Logos to subdue the Northern Base forces. While the Master completed gathering the Seiken and Wonder Ride Books, Touma managed to foil Master Logos' ritual, Ryoga regains his arsenal back in his hands.
However, Master Logos is able to obtain a portion of the Almighty Book and transform into Kamen Rider Solomon, who proved to be a formidable adversary. With confirmation that Master Logos had foreshaken his duties as the Sword of Logos' leader, the Shindai siblings had enough against the Master, only barely escaping in their battle with the intervention of the Northern Base swordsmen. While declined joining forces with the Northern Base, Ryoga and Reika joined the swordsmen as as Solomon enacted his destruction to the world.
Standing alongside the other swordsmen, Ryoga would bear witness to Haouken Xross Saber's creation and Touma becoming Kamen Rider Xross Saber. While trying to retrieve the Wonder Ride Books in Sword of Logos' possession, Ryoga and Reika learned Master Logos had frozen the Southern Base guards and expected them to arrive. While Reika is successful in retrieving the books during the fight, it ends with Ryoga being injured. The siblings retreated to Fantastic Bookstore Kamiyama where he shyly expressed gratitute to Touma and Rintaro. 
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Ryoga and Reika were at the Northern Base to stop from taking the books. As the two cornered the intruder, Touma and the others arrived to demand the Wonder Ride Books he allegedly stolen. The Shindai siblings had also lost their Wonder Ride Books and tried to force Zox to give them back. It is revealed he doesn't have them in his possession and it's because of 's influence that caused the books turned invisible. After Xross Saber, Blades, Espada, and Twokaiser defeated Orihime World, Zox departed back to the Zenkaigers's world, Ryoga and Reika chased after him when the pirate stole the Ocean History Wonder Ride Book, floating abroad CrocoDaiOh.
Arriving in the world of the Zenkaigers, Ryoga demanded Zox to return his Wonder Ride Book back, only to run into and . Suddenly, arrived and captured Reika. Ryoga reluctantly worked with the male Zenkaigers to crossdress to draw attention of the World. Ryoga later transformed as Durendal and encouraged to do a roll call. After Reika and reunited with the heroes and were able to fight the Hikoboshi World, Durendal and Super Twokaiser were able to completely take down the monster. After the battle was over, Ryoga and Reika departed back to their world.
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One day, Touma was sent to the world of with Mei Sudo and Yuri as a result of Asmodeus' awakening. As a result of Shotaro Ishinomori's unsatisfaction, Ryoga was amoung the heroes who vanished. When Asmodeus raised more monsters, Touma and Shotaro arrived with their latest creations. Touma unveils Super Hero Senki, while Shotaro unveils Kamen Rider 1 and , allowing the Kamen Riders and Sentai Rangers to remanifest. Ryoga as Kamen Rider Durendal joins his fellow swordsmen, the Kamen Riders, and the Super Sentai to battle Asmodeus's forces, emerging victorious in the ensuing battle.
===Final Battle against Solomon===
Returning to the Southern Base the next day, Durendal had his body controled by Solomon that compelled him to fight Sabela, but Buster and Slash would arrive to help him resist the control. Following Master Logos' defeat, he finally came to his senses and thanked Ogami and Daishinji for helping Reika free him.
===Storious' Endgame===
Though they were victorious against Master Logos, Storious began to enact his plan to destroy the world. Following Tassel's death, the destruction of World World began affecting Earth. Ryoga and Reika would come to Touma Kamiyama's aid to uncover the Megid's hideout. The Shindai siblings and Touma confront Storious and all the people that the Charybdis Megid ate. Storious merges with Charybdis and the remnants of his five former allies and transforms into Kamen Rider Storious, ressurecting the Four Sages in the process as his loyal followers.
While he trained in Liberation with Reika, Rintaro arrived to inform the siblings of the coming battle. Together with the rest of her comrades, Kamen Rider Durendal joins the swordsmen as they storm Storious' Tower of Destruction. Ryoga engaged a Lord of Wise, while covering for Touma as he reached Storious' chamber. While assisted by Rintaro once he caught up to them, he tells him to catch up with Touma.
The battle was too exhausting for Durendal as the battle progressed. Enraged at seeing his sister's state, Durendal tries to use his temporal abilities, Jikokuken Kaiji was damaged in battle and results in his death. This causes an enraged Reika to sacrifice herself to use Jikokuken Kaiji's remains to the Lord of Wise. Yuri arrived to seemingly heal them both offscreen, but it was futile as Ryoga was amoung many lives that were affected by a wave of destruction, only to be restored back to normal.
===One Year Later===
One year later, Ryoga was with Reika and Sophia in collecting the remaining Seiken. Upon witnessing the Wonder Ride Books' powers restored and Yuri's return, Ryoga joined up with most of Touma's friends as they reunited with their missing friend once more.
===Kamen Rider: Beyond Generations===
Ryoga and Reika were on standby at the Southern Base when it was suddenly attacked by Himiko Crisper. Joining forces with the Northern Base swordsmen and Fenix's Kamen Riders, they stand to fight the demon Diablo, who emerged to threaten the Earth's future. They would also encounter time-displaced Shocker scientist Ryunosuke Momose, who sought to make amends with Hideo, his young son he left behind in 1971, who is now an adult man in 2021. 
While Touma, Rintaro, Yuri, Vice, Daiji, and Sakura go to the future, Ryoga and Reika stayed behind in the present to battle the Deadmans in Alaska with Hiromi Kadota. While the Deadmans executive left the Kamen Riders to fight the Giff Juniors just as the pillar in Alaska was completed, Kamen Rider Durendal continued to stand strong against the grunts until Diablo was completely vanquished.
===Kamen Rider Saber: Trio of Deep Sin===
Eight years after saving the world, the multiple swordsmen within the Sword of Logos have begun to disappear. While Ryoga was with Reika keeping guard of the Sword of Logos, they came across Mamiya, who used Amazing Siren's power to erase them. However, he would be restored back to normal after Mamiya reset reality.
==Personality==
Like his younger sister, Ryoga is completely loyal to Master Logos and will do everything to see him succeed, even when the latter has gone rogue and broken the organization's code of conduct. He has no qualms with using dirty tactics, such as using an injured Rintaro as his hostage, failed to keep a promise, or attacked an unsuspected enemy from behind. Ryoga cherishes his absolute power and pride, refusing to back down from a fight when Touma out-predicted his Jikokuken Kaiji's special technique. After he defected from Master Logos, he initially rejected Touma and Rintaro's offer to join them before finally giving in and recovering their stolen Ridebooks from Master Logos. This deeply contrasts with his previous behavior, though at that point he was truly convinced they were indeed traitors and was simply doing his job. Like most uncorrupt swordsmen, Ryoga is bound to a duty to protect the world, a trait Issac finds pathetic. 
Ironically Ryoga has never been willing to accept Isaac as Master Logos, though he was indefinitely satisfied as long as the person himself was worthy of the title. This stems from his own pride as a member of the Shindai clan, who have long since been protecting the "Master Logos" title. When Issac revealed his true intentions in conquering the world and arrogantly claim godhood, Ryoga and his sister turned against Issac and allied with Touma's team to stop him. Once this became clear, Ryoga was happy to fight against the one that he always felt was unworthy of the throne. Once he joined Touma, he reluctantly thanked them for their medical treatment, though he continued to uphold his own pride. However, he would later begin to warm up to Touma's team members after Tetsuo and Ryo saved him from Isaac's control.
On a funnier side, Ryoga is a socially awkward person. This proven when he have some difficulties in interacting with other people in casual manner. 
==Power and Abilities==
===Powers===
*Time Manipulation: With Jikokuken Kaiji, Ryoga can manipulate time to a limited degree. He can erase time, causing all humanoids within a set perimeter to disappear in a "water splash" and suddenly appear in their future desired area. Combined with his expert swordsmanship, he can dominate other swordsmen with ease by sneaking up on them. This ability also has use outside of battle, allowing him to snatch objects of interest while appearing to stay still. However, this ability is rendered obsolete if the opponent can pinpoint Ryoga's location when he move through time, as proven when he faced Touma, Rintaro, and Isaac.
=== Abilities ===
*Expert Swordsman: Much like the other Sword of Logos members, Ryoga is an expert swordsman. He can fight on equal footing with the likes of Rintaro, Touma, and Yuri.
==Kamen Rider Durendal==
Ocean History
Rider Statistics
*Rider Height: 215.9 cm
*Rider Weight: 127.2 kg
Ability Parameters
*Punching Power: 58.9 t
*Kicking Power: 99.6 t
*Maximum Jump Height: 102.3 m
*Maximum Running Speed: 100 m per 1.5 seconds
 is Durendal's ocean life-based primary form accessed by using the Ocean History Wonder Ride Book in the Jikokuken Kaiji.
Durendal's stats outclass Saber Elemental Dragon with the exception of an identical running speed, allowing him to fight on par with the latter Rider. Through the use of his Seiken, he can give the illusion of teleporting short distances and distort the flow of time around himself to confuse and gain the upper hand on his enemies.
Ocean History consists of the following parts:
*: The helmet.
**: The trident-style blade installed on the left side of the helmet as a proof of being chosen by the Seiken. It has the role of adjusting the state of Kamen Rider Durendal and the Seiken, adjusting the power balance of both and cancelling the transformation in an emergency. In addition, it can be used in battle.
**: The sensory organ. It has the power of the story "Ocean History" and can use the sensory organs of marine life as a radar.
**: The visual organ. It keeps visibility even in the deep sea and does not let the targeted target escape.
**: The facial mask. The respiratory system, which has the power of the story "Ocean History" and enables long-term diving, exerts its power in high-load areas.
*: The suit granted by the user of the Seiken Jikokuken Kaiji. It is attached at the same time as the awakening of the Seiken, and gives the user the power to fight such as improving sword skills, strengthening physical abilities, and activating special abilities. Based on the form with the power of the Wonder Ride Book "Ocean History", various abilities can be added by additionally scanning the Wonder Ride Book.
*: The chest armor. It possesses the power of the story "Ocean History" and brings both the abilities and memories carved into the ocean over time to the users.
*: The shoulder armor. It has the power of the story "Ocean History" and can freely manipulate the moisture in the atmosphere.
*: The belt. In addition to deploying the Sword Robe, it receives the power of the Wonder Ride Book from the Seiken to generate energy and control various abilities.
**Royal : Storage for the Seiken, mounted on the left side of the Royal Sword of Logos Buckle.
*: The arms. It possesses the power of the story "Ocean History" and exerts its mighty strength.
*: The gloves. The tip is sharpened like the teeth of marine life, and if damaged, it will be replaced with a new one. It also functions as an ability transmission road that connects the Seiken and the swordsman's armor "Sword Robe" to convey the power of the Seiken and the abilities of the read Wonder Ride Book.
*: The legs. It possesses the power of the story "Ocean History" and produces powerful leg strength that allows it to move freely even in high-load areas.
*: The boots. It brings the powerful power of marine life, and has the ability to handle all terrain even in high-load areas and rough roads.
This form has three finishers:
*: Durendal covers the end of Jikokuken Kaiji with blue energy. Durendal then swings the Seiken, leaving behind waves and launching a circular blue energy slash. 
*: Durendal strikes the ground with the bottom of Jikokuken Kaiji's spear mode, creating a blue shockwave. He then manipulates a portion of a nearby body of water, which flies through air and attacks surrounding enemies before covering the end of Jikokuken Kaiji. Durendal then swings the weapon, launching a rotating, crescent-shaped cyan energy slash into the enemy.
*: Durendal charges the Jikokuken Kaiji in its sword mode with cyan energy and delivers a dark blue energy slash.
*: Durendal can do an attack with a Wonder Ride Book.
**Konchuu Daihyakka: Durendal covers the end of Jikokuken Kaiji in magenta particles and produces a trail of pink smoke. Durendal thrust his weapon forward, and fires a twisting plume of black smoke and magenta particles.
Appearances: Saber Episodes 29, 32, 34-36, 38-39, , , 40, 43, 45-46, Kamen Rider Saber: Final Stage, Kamen Rider: Beyond Generations, Kamen Rider Saber Spin-off: Kamen Rider Sabela & Kamen Rider Durendal
==Equipment==
===Devices===
*Jikokuken Kaiji - Transformation device and personal weapon.
*Wonder Ride Books - Transformation trinkets.
*Royal Sword of Logos Buckle - Belt and energy source.
==Family==
Reika Shindai (Swordswoman).png|Reika ShindaiYounger Sister
* Reika/Kamen Rider Sabela: His younger sister. Reika is shown to have immense respect, and later affection for her brother. As the elder sibling, Ryoga speaks to his sister in a stern manner. When Reika begins to show doubt towards their leader's motive, Ryoga lashes out at his sister, ordering the latter to follow through with her orders. The two would later defect from the organization after Master Logos' reveals his true intentions. Despite seemingly showing no sign of care for Reika at first, Ryoga actually cares about her well-being.
==Relationships==
===Allies===
*Touma Kamiyama's team:
**Touma Kamiyama/Kamen Rider Saber (II): As Touma is a "traitor" to the Sword of Logos, Ryoga is very hostile towards him. For Master Logos' plans, Ryoga also seeks out Touma's Seiken and Wonder Ride Books. He developed a grudge against Touma due to the latter managing to counter his time ability and wound his pride. The two would become somewhat reluctant allies after learning of Master Logos' true intentions, fighting together against a common enemy. They would later form a much more genuine alliance after Touma saved him and defeated Isaac the second time.
**Yuri/Kamen Rider Saikou: As a companion of Touma's, they exhibit mutual hostility to one another, though their relationship would start to warm up after Yuri saved Touma's team, Ryoga included, from an attack by Isaac, by teleporting them with the Hikari Are.
**Rintaro Shindo/Kamen Rider Blades (II): Due to Rintaro's announcement of his turning from the guild and attempt to fight the current Master Logos, Ryoga attacked him without hesitation. Later on Ryoga used him as a hostage during his and Touma's fight. The two would later hold a new rivalry against each other. Ryoga and Rintaro have since been somewhat reluctant allies after learning of Master Logos' true goal, fighting against a common enemy. Their alliance would become much more genuine after Touma's second victory against Isaac.
**Ryo Ogami/Kamen Rider Buster: Ryoga and Ryo would become allies after learning of Master Logos' true goal, fighting against a common enemy. Their alliance would be strengthened after Ryo and Tetsuo help Reika free him from Isaac's control.
**Tetsuo Daishinji/Kamen Rider Slash: Ryoga and Tetsuo would become allies after learning of Master Logos' true goal, fighting against a common enemy. Their alliance would be strengthened after Tetsuo and Ryo help Reika free him from Isaac's control.
**Kento Fukamiya/Kamen Rider Espada/Kamen Rider Calibur (III): Ryoga and Kento would become allies after learning of Master Logos' true goal, fighting against a common enemy.
**Ren Akamichi/Kamen Rider Kenzan (II): TBA
**Sophia/Kamen Rider Calibur (IV): TBA
**Mei Sudo: Mei starts to become the attention of Ryoga, causing Reika to be full of jealousy for her.
===Enemies===
*Isaac/Master Logos/Kamen Rider Solomon: His leader. Ryoga follows his lead and vehemently protects him. He also obeys his every orders without any second guesses, seeing it as absolute. However, like his sister, his convictions begin to slowly crack when he learned that Master Logos is the one who released Bahato, despite his earlier claims that him and Reika are more than enough to handle the Northern Base swordsmen. It wasn't until Isaac reveals his true colors that Ryoga decides to finally turn on the former Master Logos and see him as an enemy.
*Bahato/Kamen Rider Falchion: The Immortal Swordsman intervened in Durendal and Blades' battle.
*(Kamen Rider) Storious: He is unaware of his secret alliance with Master Logos.
*Desast:to be added
===Super Sentai===
* : Upon meeting Kaito for the first time, Ryoga is hostile towards him due to his affiliation with Zox. However, they would later form an alliance to save Reika and Magine.
* :
* :
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* : Ryoga at first acts hostile against Zox due to assuming that he stole his Wonder Ride Book. He and Reika would then keep a close watch on the World Pirate during his trip to their world. However, they would later come to an understanding after learning that they share a common trait: care for their .
==Behind the Scenes==
===Portrayal===
Ryoga Shindai is portrayed by . As Kamen Rider Durendal, his suit actor is , with acting as Imai's substitute in episodes 38-39.
===Etymology===
* Durendal is named after the sword of , a legendary paladin and partially historical officer of in French literature.
*As with the naming scheme of other members of Sword of Logos, Ryoga's surname includes the Kanji character "Shin" meaning "god" or "deity".
==Notes==
*Ryoga Shindai's name uses the same kanji as /Reginald "Shark" Kastle from Yu-Gi-Oh! ZEXAL. This similarity drew comparisons by fans as well as Shark's Japanese voice actor, , resulting in it trending on Twitter.https://twitter.com/search?q=%E7%A5%9E%E4%BB%A3%E5%87%8C%E7%89%99&src=trend_click&f=live&vertical=trendshttps://twitter.com/ToshikiMasuda38/status/1375999894305927173
*When Durendal uses his time manipulation ability, there is a clear sonar sound used for echolocation, which fits his Wonder Ride Book considering "Ocean History" is majorly based on aquatic animals that use echolocation.
*According to Uchusen Vol. 172, Reika and Ryoga are the first brother-sister sibling Riders in Kamen Rider history.https://twitter.com/sonoko_uchusen/status/1377423109322498050
==Appearances==
==References==
==Navigation==
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