|This article is about a/an half form in Kamen Rider Build.|
The Octopus Halfbody (オクトパスハーフボディ Okutopasu Hāfubodi) is a biotic A-Side Halfbody of Kamen Rider Build. Accessed through the Octopus Fullbottle, its Best Match is the Light Halfbody. It gives the user increased agility and speed.
In any form using the Octopus Fullbottle, Build is armed with the Twist Lash Arm (ツイストラッシュアーム Tsuisuto Rasshu Āmu) on his right shoulder that can be used to bind his opponents.
- Kamen Rider Build
- OctopusLight (Build Episodes 13-14, 16)
- OctopusKeshigomu (Kamen Rider Battle: Ganbarizing)
- OctopusCake (Kamen Rider Battle: Ganbarizing)
- OctopusGame (Kamen Rider Battle: Ganbarizing)
- Rider Punch: Build fires an orb of jet-black smoke from the head of the Twist Lash Arm that traps the enemy before snaring them with its tentacles, then using both the Shade Breaker and BLD Light Bulb Shoulder to shock the trapped enemy via a punching maneuver.