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Let's roll out the red carpet.
~ Xaviax preparing his army to attack the Kamen Riders.

General Xaviax is an alien who defeated the Kamen Riders to conquer Ventara before turning his attention to conquer Earth with his monsters gathering humans to set up his master plan of abducting all humans on Earth to be his slaves in rebuilding his home world and the main antagonist of the TV show Kamen Rider: Dragon Knight

He is portrayed by William O'Leary, who also portrayed Frank Morgan in L.A. Noire


Xaviax is what can be expected from a charismatic, genius, and manipulative mastermind. While he treated his foot soldiers and their monster commanders as expendable pawns and was not faltered by their loss due to their numbers, his Earth Rider pawns seemed to be very important pawns for him due to their abilities that exceeded his best monster commanders. He is adept in means to recruit and manipulate his pawns through things they cared about (such as loved ones and career for example) or anything they wished, but is not above blackmailing if such a tactic is deemed necessary.

Xaviax believed that his actions in kidnapping mankind and Ventarans to rebuild his homeworld is just due to his wish to help his fellow Karshians. Even so, Xaviax refused to see that his actions turned him into a delusional monster who is not above banishing those who opposed him to Advent Void, indifferent to other races' well-being, and only cared with his own kind's superiority more than any other race as Eubulon stated. His hubris both resulting in him ignoring Eubulon's pleas to considering more humane means to save their homeworld and contributing to his downfall in the end.

Powers and Abilities

  • Charisma: Xaviax is a charismatic person who can easily sway other people to work for him through what they desired and cared about. Tactics that he employed to utilize his charisma ranges from persuasion to blackmailing.
  • Disguise Mastery: In addition to his shapeshifting powers and charisma, Xaviax is also adept in utilizing more traditional means of disguise to look more convincing by using various aliases such as his 'Paragon' disguise, Preston Family attorney disguise named Walter Conners, etc.
  • Advent Technology Expertise: Xaviax knows how to utilize Advent technology like Eubulon. He used this knowledge both to use Wrath's Advent Deck, creating new Advent Cards, and even accessed his advanced and monstrous-looking battle suit which grant him an intimidating appearance and even granted him various abilities with or without the armor activated.
    • Mind Control: Xaviax can also control the minds of others. He normally used this power to remotely manipulate Kit's father.
    • Possession: Xaviax can possesses other beings and control them. He did this on Wrath's comatose body.
    • Shapeshifting: Like Eubolon, he has the ability to shapeshift, usually to trick other people to get swayed in his favor and assuming his human form of choice that was mostly seen in his screen time.
    • Matter Manipulation: As Eubulon displayed the ability to forge objects such as a bo staff from thin air, Xaviax is presumed to be capable of doing the same.
    • Energy Manipulation: Eubulon can manipulate energy for either healing, defensive, or offensive purposes.
      • Life-Force Manipulation: Like Eubulon, he can manipulate his and other's life-force at will. He can use this power to either heal or render people comatose.
      • Energy Bolts: Xaviax can fire energy bolts that can harm and knock down Riders at will.
      • Force-Field Generation: Xaviax can create a force field to defend himself. The force field is presumed to be so durable that Eubulon suggested all Riders use Link Vent to overpower and destroy him.



General Xaviax is an alien from planet Karsh. His world was destroyed by a civil war, between the planet's north (led by Xaviax) and its south. Though the north won, they left the planet in ruins. Under Xaviax's orders, Eubulon created teleportation beacons and went to the planet of Ventara to place them and abduct the populace. However, Eubulon, after falling ill and recovering with help from a Ventaran family tried to convince Xaviax that they'd have to find another way to save Karsh. Xaviax however thought that Eubulon had committed treason and decided to enslave the Ventarans himself. Eubulon warned the leaders of Ventara and created the Kamen Riders to defend the planet, becoming the Advent Master. Eventually Eubulon and Xaviax fought and their battle ended in a stalemate as both were disabled. Eubulon had been vented and sent to Earth - Xaviax was able to recover more quickly and by unknown reasons, he lived through the fight.

Some time afterwords, during the time Adam, the original Kamen Rider Dragon Knight, was assigned to patrol Ventara while the others were in a state of suspended animation, he had approached Adam under the guise of 'Paragon' another Karsh refugee and a supposed friend of Eubulon and convinced Adam that he could unlink the Riders from their decks. Adam took Xaviax to the base to wake up the other Riders in order to give them the good news.

But 'Paragon' turned on them and vented all of the Riders except Len and Kase who woke up in time and escaped, though he thought Kase had been vented. With the Riders out of the way, Xaviax successfully abducted all of Ventara.

Regretting his actions Adam secluded himself in an illusion Xaviax created and left him there with a Ventaran girl named Sarah. Thus he begins his hunt to eliminate Len, the only Kamen Rider that stood in his way for global domination.

During the Series

Recruiting Riders

To that end, he uses his shape-shifting powers to find ideal pawns to aid him as his Kamen Riders, tricking some of them into believing they are doing the greater good or offering them something they desire. He has currently displayed only one human form thus far in the series, but takes on different aliases to suit his needs and recruit Riders to his cause.

The first of his disguises is a Preston Family attorney named Walter Conners which he uses to announce Richie Preston's severance from the family fortune.

He later appeared as a mercenary captain named Race Mattock to entice Grant Staley with the idea of being a great fighter of two worlds.

Then, he appeared as a Battle Club tournament official named Charlie Feathers to blackmail Brad Barrett with evidence that clears him of a cheating scandal. During that time, "Charlie" revealed to Brad that he is Xaviax and gives Brad the option to vent or be vented as Xaviax still has the proof of Brad's innocence.

He later appeared as a government agent named Special Agent Simons, giving an asthmatic Chris Ramirez a rare opportunity to serve the United States, albeit in secrecy.

He then appeared before the Cho Brothers with a large sum of cash and the chance to pull off the biggest heist of their careers. When Danny goes rogue after Albert is vented, he wanted Strike to vent him. However, upon news of Kamen Rider Siren's return, he feels uneasy discovering an even bigger threat than Wing Knight. Even when Strike came back with Danny still alive, he doesn't act against JTC as he knew that he would be outnumbered and decides to leave Danny's fate up to Strike's judgement in which Strike vents him.

Primary Goal

While he has been offering some of the other Riders what they desire for the elimination of Len, one of his primary targets seems to be Kit Taylor, as many recent plans involve getting Kit to defect to his side and betray Wing Knight.

So far he has been unsuccessful, even losing his main bait, Frank Taylor. But soon he decides to take a more direct approach after Siren appears and directly reveal himself and three of his aliases to Kit. He reveals that he kidnapped his father, framed him for his arrests and then manipulated his father to bring him to the Advent Deck and Dragreder. He states that Kit was the hardest one to recruit as, unlike the other Riders, he had no vice (like Richie's greed) or ambition (like Chris's desire to be a hero). With the training received by Wing Knight as well as fighting his own Riders and gaining Wing Knight's trust, he believes that it's the best time to recruit Kit. With that, he decides to finally make his offer to Kit: vent Wing Knight and Siren and he will revive Frank Taylor, manipulating Kit's love for his father.

Xaviax as Vic Frasier.

However when Xaviax realizes that Kit can no longer be swayed, he abandons his plans for him meaning that Kit must now be vented. And to help JTC, he reveals a secret Kamen Rider in emergencies, Kamen Rider Wrath. He reveals that the body is in a coma and physically merges with Wrath's body in order to fight the three Riders who stand in his way. While fused with the body, he takes the appearance of Vic Frasier, Wrath's counterpart, instead of his normal form when removing the Rider armor. Xaviax later gives JTC's Advent Deck more power by allowing him to capture two more Advent Beasts and use their former master's abilities as well as fuse them together.

Final Plan

Xaviax/Kamen Rider Wrath prepares to vent Len.

After Strike is vented, Xaviax in Wrath's body manages to attack Dragon Knight and Wing Knight and overpowers both Riders, even in their Survive Modes. He manages to vent Kit, but bails from Vic's body before it disappears to the Advent Void.

Xaviax then snatches Kit's Advent Deck and plans to use it against Wing Knight, the last Kamen Rider standing in his way. His master plan in the series is to kidnap and conquer all of Earth. However, Earth is a Mirror World to Ventara and kidnapping humans one by one is time consuming. So instead, Xaviax has a machine where he can transport a mass amount of humans from Earth to Ventara and use them all as his slaves. But this machine requires specific humans with matching DNA to power this machine. To that end he sends his minions in to kidnap just those people. With Wing Knight, Dragon Knight and other Kamen Riders fighting against him, however, he has to focus on the war against them as well, which delays his plans. But when all but Wing Knight is vented, he returns to his original plan. By planting special devices across the world, it will enable Xaviax to transport all of Earths population to Ventara. But after hearing disturbing news of Eubulon's return, he decides to send Adam, the original Dragon Knight, to spy on Len threatening Adam with revealing to Sarah that Adam had betrayed the Riders.

Upon discovering the virus in the system, Xaviax tells Adam to send him a copy of the virus so he could decode it and create an anti-virus. However, Adam has continuously failed to inflitrate the Riders, angering Xaviax. He sends monsters to attack Maya to allow Adam the chance to save her as another opportunity to ingratiate himself with the good guys. When Adam manages to gain their trust and acquires the virus for him, he shuts down a transmitter to make it look like Adam was successful and begins to decode the virus. While he was successful, he feels that Adam may turn his back on him so he disguises himself as Eubulon and fights Adam and berates him during the fight, obviously swaying Adam to betray the other Riders once more, this time intentionally. He was able to decode the virus and create an anti-virus, with which he reactivates all the transmitters and begins a countdown to its activation.

Before he uses it, he's confronted by Eubulon. He berates him for abandoning his people on Karsh, But Eubulon justifies it by saying that Xaviax turned the planet into a wasteland through war and he couldn't let him destroy another. He also adds while their time of existence is done, humans still have a chance of survival. Xaviax becomes even angrier at this and says that Karsh and its people are superior above all others and won't let anything, including him cause their race to die out. As a result the two begin to fight. Xaviax appears to have the upper hand, but is stopped by Kit, Adam, Len and Kase who he refocuses his attention on. When he attempts to finish them off, the other nine Riders arrive. In a desperate attempt to corrupt all 13, He tells them that he could have been able to give them anything they wanted, but instead they choose to fight against him. Soon all 13 Riders used their Link Vents to destroy General Xaviax forever.