History NightmareFuel / KamenRiderOutsiders

* Once Kamen Rider Chronicle is now restarted and repurposed into a humanity self-destruction game, the first Ride Player death in the series is a yakuza member. However, a Ride-Player gets carded instead of being dissolved into data. It's still a very unpleasant sight to say the least. Made even more terrifying by the fact that Zein even used the '''[[Series/KamenRider555 Faiz Blaster]]''' and vaporized the helpless Ride Player with the [[WaveMotionGun Photon Buster]] Exceed Charge finisher.

* Once Kamen Rider Chronicle is now restarted and repurposed into a humanity self-destruction game, the first Ride Player death in the series is a yakuza member. However, a Ride-Player gets carded instead of being dissolved into data. It's still a very unpleasant sight to say the least.

* Genm getting stabbed by (Kamen Rider) Zein with the [[Series/KamenRiderRevice Revicelasher]] even after unlocking Hyper Fumetsu is an unpleasant sight to behold. If that wasn't enough, Zein [[NeckLift grabbing]] Kuroto by the throat completely [[HopeSpot derailed of whatever hope left]] of defying the technological oppressor.

* How do you know things have gotten even worse? '''''[[Series/KamenRiderBuild Evolto]]''''' shows up. Now powered-up to a state stronger than ever, as a ''[[TheQuisling supporter]]'' to Zein.

** Zein's transformation jingle, while it may seem sounding so breathtakingly epic due to the orchestral chorus and righteous phrasing which somehow reflects matching the eponymous AI proclaiming itself as embodiment of benevolence. However, the tone and delivery instead give a feeling of ominous dread.

* How do you know things have gotten even worse? '''''[[Series/KamenRiderBuild Evolto]]''''' shows up. Now powered-up to a state stronger than ever, as a ''supporter'' to Zein.

[[caption-width-right:1000:No Outsider is safe.[[labelnote:*]]Even though Banno [[DeathIsCheap survived]], the trauma from being beaten to near-death and skewered from top to bottom isn't gonna go away from his memory for a long time.[[/labelnote]]]]

[[caption-width-right:1000:[[KnightOfCerebus Zein]] teaches Banno the real meaning of fear and pain.]]

* Everything about [[TheComputerIsYourFriend Zein]], both the {{AI|IsACrapshoot}} and its namesake Rider form. Zein stands out as one of the, if not, most disturbing and realistic examples of BewareTheSuperman not only just for the entirety of the franchise, but for tokusatsu as a whole. As a stark contrast to the Ark, who got reduced to a GenericDoomsdayVillain thanks to MotiveDecay, Zein is programmed to be a tyrant whose only sole objective is to exterminate malice at all costs, but without all of the heroic Riders' genuine altruism, empathy, and respect for human freedom. Every time Zein makes a physical appearance, or by just the mere mention of its name, its {{Leitmotif}} plays an OminousLatinChanting that's enough to make anyone's legs tremble in fear.

** Let's not forget the fact that the Zein Driver is developed by [[Series/KamenRiderRevice George Karizaki]], out of all people, and given how he based Juuga from Series/KamenRiderKuuga Ultimate Form, Zein's Rider form bears a resemblance to that show's BigBad: N-Daguva-Zeba. This is made [[FridgeHorror even scarier]] that Zein can also use the Kuuga Ultimate Zein Card, with it, Zein will not rule out the possibility of ''destroying the entire planet Earth'' in the event if its plans fail.

** The real kicker? Once a Zein Card is used, that Rider along with their powers are ''permanently deleted'' due to the fact that ''Kamen Rider Chronicle'' is programmed into the Zein Driver as Tachibana explains in episode 4 that Zein is using the Kamen Riders' powers to create a card game version of ''Chronicle''.

-->"''Zeinrise! Justice! Judgment! Seigi! Zein! Salvation of humankind.''"

[[caption-width-right:1000:[[KnightOfCerebus Zein]] teaches Banno the meaning of despair, fear, and pain.]]

[[caption-width-right:1000:[[KnightOfCerebus Zein]] teaches Banno the meaning of fear and pain.]]

Being one of the, if not, {{darke|rAndEdgier}}st ''Franchise/KamenRider'' spin-offs in modern history where [[VillainProtagonist the bad guys from previous seasons are the main characters]] gathered to oppose a [[TheComputerIsYourFriend tyrannical artificial intelligence]] bent on wiping out humanity in the name of culling off malice. The list of unsettling moments below serves as a reminder that so long as Zein maintains its presence across the Internet; then no one is safe, even the villains themselves.
!In general

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