Sougo Tokiwa/Ohma Zi-O

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 is the ruler of 2068 who transforms into .
==History==
===Background===
This iteration of Sougo Tokiwa followed the events of his main counterpart, up until the arrival of Geiz, Woz and Tsukuyomi from the future. On September 8th, 2018, he eventually obtained his Ziku-Driver and the Zi-O Ridewatch to become Kamen Rider Zi-O. Unlike the main Sougo, Ohma Zi-O did not at any point become discouraged, thus it did not create a path for GeizRevive's existence.
Eventually, Sougo Tokiwa obtained the Zi-O Ridewatch II and gained additional abilities to manipulate time however he wanted to. On April 7, 2019, Sougo evolved into Kamen Rider Ohma Zi-O from his base form during the events of Oma's Day. Using this newfound power, he destroyed the world using the Dai Mazines, eventually wiping out at least 50% of the Earth's population, and began his rule over the planet.
===Reign of Ohma Zi-O===
During one of Resistance's battles against the tyrant, Ohma Zi-O stood behind his monument as he effortlessly wipes out the army. He declares that none of them were capable of defeating him because he was "born to be king". Sometime after this ordeal, Geiz Myokoin and Tsukuyomi traveled to the past, with the intent on guiding Sougo Tokiwa's fate of becoming Ohma Zi-O. Knowing this would jeopardize his own existence, Ohma Zi-O sent Woz after them.
One day, as he perched on his chrysanthemum throne in an isolated field, Ohma Zi-O sensed his past self's presence in 2068 after being sent there by Tsukasa Kadoya. He summoned Dragreder to bring both his past self and Tsukuyomi to him. Ohma Zi-O met the past Sougo and acknowledged their dreams that destined them to become king. Despite his past self's protests, Ohma Zi-O claimed he accomplished their dream into becoming the "greatest and kindest Demon King", enraging the past Zi-O to engage the tyrant but failed due to Ohma Zi-O's overwhelming strength and experience with the Ridewatches. After the battle, he suggests to the past Sougo to give up the Ziku-Driver and sends him and Tsukuyomi back to 2018, knowing that he'll be erased from the timeline. He was restored back to existence knowing his past self couldn't give up his dream.
===Message from the Future===
After the past Sougo acquired the power of Zi-OTrinity and the Blade Ridewatch, Daiki Kaito presented Sougo and Geiz with a message from Ohma Zi-O, who congratulated his past self for having collected the Blade Ridewatch, having known about it all along. Ohma Zi-O then manifested six Ridewatches: Agito, Hibiki, Kabuto, Den-O, Kiva, and Drive, and told the past Sougo that he would have to obtain kingship by acquiring the remaining six Rider powers.
===The King of Time & Space===
After his past self obtained all the Ridewatches, Ohma Zi-O transported GrandZi-O back to 2068 to congratulate his past self for his newfound power, but claimed he's still no match for him. While he fought GrandZi-O using the powers of the various Kamen Riders, Ohma Zi-O had the upperhand once Kamen Rider Drive was summoned. Ohma Zi-O took hold of the manifestation and allowed Drive to defeat GrandZi-O. Despite his past self obtaining nineteen Ridewatches, he didn't obtain the Drive Watch properly as that was previously Ohma Zi-O's. After Woz wisked Sougo away to safety, Ohma Zi-O commended his servant but began to notice someone in the past had altered the timeline, placing his current one in jeopardy. Eventually, his past self was able to return the timeline back to normal, and Ohma Zi-O's existence was untouched.
Once Swartz surfaced as Another Decade and waged a war threatening the Kamen Riders' timelines, the past Sougo arrived to meet Ohma Zi-O during the Resistance's raid. While he did not expect his past self returning to 2068 again, the past Zi-O assured history has changed and was Ohma Zi-O's past was his future. Through the teamwork with his comrades, the past Zi-O briefly overwhelmed Ohma Zi-O. Remarking how much the past Sougo would do anything to sacrifice himself for his comrades, Ohma Zi-O reveals to the past Sougo that his power is to destroy space and time itself, a power Swartz can never imagine. The future Sougo wishes to see the present Sougo's next move, as he sends Sougo back to his timeline. Aware that his past self is trying to turn Tsukuyomi into a Kamen Rider, he empowers the blank Ridewatch in Tsukuyomi's pocket.
===Kamen Rider Zi-O: Over Quartzer===
During the Quartzer crisis, when his past self observed fond memories of their parents, he appears to his past self in his era and motivated him to defeat Barlckxs. He later provided his past self with another step towards the ultimate power: the Ohma Zi-O Ridewatch. This eventually allowed young Sougo to defeat SOUGO as Kamen Rider Zi-O OhmaForm.
===Kamen Rider Zi-O: Final Stage===
Ohma Zi-O was briefly restored to existence by the combined powers of a group of five Riders who belong to both the Showa and Heisei Eras. Together with his younger self's Ohma Form, the two managed to make extremely short work of Another Ohma Zi-O.
===Erasure From the Timeline===
After his past self became Kamen Rider Ohma Zi-O and defeated Swartz, Ohma Zi-O learned that the past Sougo's intentions to erase the current timeline. Ohma Zi-O had one final conversation with his younger self if he is making the right choice. He listened on how the past Sougo, while having accomplished his goal of becoming a king, cannot reign supreme without his friends. With Ohma Zi-O's blessing, the past Sougo used power as the King of Time to recreate the world's history. Ohma Zi-O bid farewell to his past Sougo before being erased from the timeline, as he admitted that it was interesting to have met his young counterpart.
===Kamen Rider Zi-O NEXT TIME: Geiz, Majesty===
Ohma Zi-O briefly appeared in Keito Myokoin's dream, where he was challenging Kamen Rider Geiz, who was about to use GeizMajesty Ridewatch against him.
===Rider Time: Decade VS Zi-O & Rider Time: Zi-O VS Decade===
Ohma Zi-O returns as the main antagonist of Rider Time: Kamen Rider Decade VS Zi-O and Rider Time: Kamen Rider Zi-O VS Decade. He is referred as . True Sougo's actual nature and origin is currently debatable. Whether he is the same Ohma Zi-O from the TV show, originates from Sougo A's future, or a version of Ohma Zi-O from an A.R. World remains to be explained.
After being weakened from destroying and creating too many worlds, he sets up a death game to select a suitable host for his body, which drew the attention of Tsukasa Kadoya. When Ohma Zi-O attempted to bring all six different versions of Sougo Tokiwa, each from their own dimensions, which in turned regressed his body into the form of a child with amnesia. Eventually, he remembers his life as Ohma Zi-O; after transforming into the Demon King while revealing his identity, he tries to take the original Sougo's life, but subsequently defeated by Zi-O.
==Other Events==
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Once , , Rintaro Shindo arrived in the world of Journey to the West, they would encounter a giant Ohma Zi-O in the role of the Buddha. He told them to accompany Sanzang and his party on their pilgrimage, while granting them Changshan attire. The three would later meet the Taros and would leave on the DenLiner, with Ohma Zi-O chuckling with encouragement for their journey.
==Video Game appearances==
== Personality ==
From what was known about him, Ohma Zi-O was shown to be very arrogant due to his tremendous power, proclaiming that he was chosen to be the ruler of the world from birth. He did not even view the resistance fighters as serious threats. His arrogance was not without merit, however, as his battle against his younger self demonstrated impressive mastery over his abilities of his predecessors. Furthermore, he was extremely confident and fearless, as he openly suggested 
to his past self to throw away the Ziku-Driver, an action that would result in his own temporal erasure, and even arrogantly laughed as he was disappearing from the timeline, suggesting that everything young Sougo would do were within his calculation and expectation.
However, he still believed that his tyranny had somehow saved the world. When young Sougo claimed that he wished to become the "kindest and greatest" Demon King, this Sougo replied that he did in fact become the "greatest and kindest" Demon King, albeit not in the sense of compassion, but in the sense of perfection.
Although known for being a villainous demon king, Sougo was still shown to have retained some of his past traits. He continued to encourage his younger counterpart to the path to kingship, although it was mostly for saving his own existence. He was also quite amused when he found out that Zi-OTrinity could briefly overpower him. He then explained the true extent of his power and gave some of his power to Tsukuyomi (albeit against his will), resulting in the creation of the Tsukuyomi Ridewatch.
In the series finale, when the past Sougo himself revealed that he was going to use the powers to reset time instead, Sougo did not get upset, but rather became amused and looked forward to seeing a future that the past Sougo would create without the powers of Ohma Zi-O. Even when knowing full well that he would permanently cease to exist, Sougo harbored no ill will towards his youthful self's actions, and he willingly let himself be erased without resistance, this time with a satisfying laugh of amusement and consent.
==Powers and Abilities==
===Powers===
*Disintegration: Ohma Zi-O can send out a powerful wave of energy that can disintegrate anything in its path.
*Enhanced Awareness: Ohma Zi-O immediately sensed and identified the threat of incoming missiles.
*Velocity Manipulation: Ohma Zi-O can freeze dozens of missiles.
*Time Manipulation: Ohma Zi-O can freeze time before disintegrating enemies. According to Tsukuyomi, Ohma Zi-O has all of the abilities that come with Sougo Tokiwa's Zi-O Ridewatch II, thus implying that Ohma Zi-O can reverse time as well.
*Timeline Alteration: Tsukuyomi theorizes that Sougo's dreaming ability causes his encounters with the future Riders to actually happen in reality, an ability that (according to her) Ohma Zi-O also seems to possess.
*Telekinesis: When an army of Time Mazines attempt to crush Ohma Zi-O, he simply uses telekinesis to hurl them into each other.
*Time Portal Creation: Ohma Zi-O can create time portals, which are even capable of forcefully pulling a person into themselves. 
*Legend Riders' Powers: Ohma Zi-O has the powers of all the Heisei Riders prior to the year 2068. He can tap into their powers by activating their Ridewatches as well as simply through his will. He can also summon Rider clones and even corrupt the ones summoned by others.
**Kuuga: Summons an energy construct of Rinto Hieroglyphics to create an energy kick.
**Kiva: Summons the Bloody Rose, allowing him to control a colony of energy bats.
**Ryuki: Summons Dragreder to attack his target.
**Blade: Summons two large Rouse Cards to attack his target.
**Double: Summons a green/purple colored energy cyclone.
===Abilities===
*Expert Manipulator: Like his past iteration, the future Sougo is also manipulative, even towards his younger self.
===Weaknesses===
*Sougo Tokiwa: Because Ohma Zi-O is Sougo's future self, any disturbance in the timeline (for example, the Ziku-Driver's destruction or Sougo's death) can erase Ohma Zi-O from existence. In their third and final match, his young counterpart, alongside with his companions, was able to overwhelm Ohma Zi-O to his knees, although the latter had no intention to go all out against his younger self, a fact acknowledged by young Sougo himself. 
===Former Weaknesses===
*Hiryu Kakogawa: Another Zi-O II's ability to alter history and reality can put Ohma Zi-O's existence in jeopardy. After Hiryu is defeated by GrandZi-O, this was no longer the case.
==Kamen Rider Zi-O==
==Equipment==
*Ohma Zi-O Driver - Transformation device. Ohma Zi-O possesses a gold-colored upgraded variant of the Ziku-Driver.
*Ridewatch Holders - Wristbands used to carry Ridewatches. They are not used by Ohma Zi-O as he can use Ridewatch powers directly.
*Ridewatches - Transformation trinkets that allow Ohma Zi-O to use powers of different Kamen Riders. Ohma Zi-O has in his possession the Ridewatches of all Riders in existence.
**Dragreder - Ryuki's Contract Monster, summoned through the Ryuki Ridewatch.
==Legend Rider Devices==
==Behind The Scenes==
===Portrayal===
As Sougo is an old man at this point in time, he is portrayed by , https://www.kamen-rider-official.com/zukan/characters/1857Uchusen Vol. 163, with acting as voice-over. His suit actor as Ohma Zi-O is .
===Etymology===
The "Ohma" in his name refers to in Japanese mythology and also a reversed spelling of .
==Notes==
*Ohma Zi-O's helmet has a pattern comprising the kanji for , symbolizing his nature as the Demon King.
*He is alternatively spelled Oma Zi-O in some sources.
*Chronologically, Sougo (as his future self) is the oldest protagonist to be introduced in the Kamen Rider franchise, being at the age of 68.
*According to Shin-ichiro Shirakura, he described Ohma Zi-O as the gravekeeper who protects the graves of the Heisei Riders, and that he has been watching over the Heisei Riders for 50 years to prevent them from going out of control in the past.ジオウ読本 2019, pp. 3–7, 「ZI-O PRODUCER INTERVIEW 白倉伸一郎」
*In the process of creating Ohma Zi-O's costume, the designers based the suit on the concept of "king". It was originally created like a Final Form in mind, and was designed to show off its power with excessive decoration rather than an elegant and stylish appearance. The watchband sash on his body was inspired by those worn by Southeast Asian royalty, and the blank Ridewatches resembles decorative medallions. The asymmetrical clock hands behind the back are likened to a cape.ジオウ読本 2019, pp. 92–113, 「ZI-O CHARACTER DESIGN WORKS DESIGNER CROS TALK 遠藤正幸（バンダイ）×山下貴斗（PLEX）[玩具開発/デザイン]」特写 2020, pp. 108–111, 「オーマジオウ」
*In his appearance in Kamen Rider Zi-O: Over Quartzer, the Ohma Zi-O that speaks to Sougo is not actually him but a figment of Sougo's imagination. According to Shin-ichiro Shirakura, the scene was meant to portray a pivotal moment in Sougo's self-acceptance and evolution into OhmaForm.『フィギュア王』No.260、ワールドフォトプレス、2019年10月30日、ISBN 978-4-8465-3208-6。『OFFICIAL PERFECT BOOK 仮面ライダージオウ 公式完全読本 CELEBRATE THE ZI-O COMPLETION』ホビージャパン〈ホビージャパンMOOK〉、2019年12月25日。ISBN 978-4-7986-2094-7。
==Appearances==
==See also==
*Sougo Tokiwa, Kamen Rider Zi-O from 2018-19 A.D.
*SOUGO Tokiwa/Kamen Rider Barlckxs, and the Zi-O from the original timeline.
*Hiryu Kakogawa, Another Ohma Zi-O from Kamen Rider Zi-O: Final Stage
==External Links==
*Kamen Rider Zukan page on Ohma Zi-O (Sougo Tokiwa of 2068).
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