This article is about a/an episode in Kamen Rider Build.
Red alert WARNING: This episode contains scenes of blood, bloodshed and murder. Viewer discretion is advised!

The Phantom of the West (西のファントム Nishi no Fantomu) is the twenty-third episode of Kamen Rider Build. It features the full and proper debut of Kamen Rider Rogue after his brief appearance at the end of the previous episode as well as the debut of the Engine Bro's and Remocon Bro's, who will also make their appearances in the ROGUE miniseries and the death of Kiba.


There was never a clear winner from the result of the representative battle! Seito uses this opportunity to make their move to overtake the Hokuto government! Grease and his gang immediately head towards Hokuto to check on their lands. Meanwhile, Ryuga is aching to fight them off, but Sento stops him saying that it would be considered an act of invasion. After their sudden invasion of Hokuto without warning, the last of Hokuto’s military weapons are standing up to defend their homeland…


to be added


Suit Actors


  • Bottle used:
    • Build
      • Organic: Rabbit
      • Inorganic: Tank
      • Other: Hazard Trigger, RabbitTank Sparkling
    • Grease
    • Rogue
      • Crocodile Crack
    • Blood Stalk
      • Organic: Cobra
      • Inorganic: N/A
    • Castle Hazard Smash
      • Castle
    • Owl Hazard Smash
      • Fukurou
  • Form used:
    • Build
      • RabbitTank Hazard Form, RabbitTank Form, RabbitTank Sparkling Form


  • Jelly used:
    • Cross-Z Charge
      • Dragon
    • Grease
      • Robot


  • Gear used:


Seito Bottle CS
  • Closing Screen Fullbottles & Gears:
    • Kamen Rider: Rogue
    • Fullbottles:
      • Organic: Crocodile Crack
      • Inorganic: N/A
    • Gears:
      • Gear Remocon
  • Count at episode end
    • Bottles in Build's possession:
      • Organic: Rabbit, Gorilla, Taka, Ninjya, Panda, Harinezumi, Lion, Kaizoku, Octopus, Phoenix, Unicorn, Rose, Turtle, Kabutomushi, Dog, Spider, Tora, Kujira, Shika, Kirin, Penguin, Obake, Same, Hachi, Sai
      • Inorganic: Tank, Diamond, Gatling, Comic, Rocket, Syoubousya, Soujiki, Densya, Light, Smapho, Keshigomu, Watch, Camera, Televi, Mic, Reizoku, UFO, Jet, Pyramid, Senpuki, Sukebo, Magnet, Bike, Sensuikan, Dryer
      • Other: RabbitTank Sparkling, Hazard Trigger
    • Bottles in Cross-Z Charge's possession:
    • Bottles in Grease's possession:
      • Organic: Wolf, Kuma, Kuwagata, Fukurou
      • Inorganic: Robot, Helicopter
    • Bottles in Rogue's possession: Bat, Crocodile Crack
    • Bottles in Blood Stalk's possession: Cobra
    • Bottles in Castle Hazard Smash's possession: Castle
    • Jellies in Cross-Z Charge's possession: Dragon
    • Jellies in Grease's possession: Robot
    • Gears in Engine Bro's's possession: Gear Engine
    • Gears in Remocon Bro's's possession: Gear Remocon
  • During the introduction of the Engine and Remocon Bro's, the events of Heisei Generations FINAL are mentioned; specifically with the similarity of the Bro's to the Kaisers.
  • This episode reveals that if the Hazard Trigger is ejected while Build is in a Hazard Form (before Build uses the Overflow finisher), he will be reverted back into the regular version of that form.
  • Several times throughout this episode, a scream can be heard while Rogue is using his powers. While the scream is part of the transformation dialogue, it's heard again when Rogue shoots at Cross-Z Charge at point blank using his Nebula Steam Gun's Funky Break.
    • The scream was also heard in the DX Crocodile Crack Fullbottle (except during the Crack-Up Finish) and in the Nebula Steam Gun (during the Funky Break and Funky Shot finishers using the aforementioned item)

External links