This article is about a/an episode in Kamen Rider Black RX.

The Miraculous Valley's Princess (奇跡の谷の姫君 Kiseki no Tani no Himegimi) is the sixteenth episode of Kamen Rider Black RX. It introduces Joe the Haze following his appearance in the previous episode. It's the third part of a four episode story arc. It also features the debut of Roboizer, the first of two alternate forms for Acrobatter accompanying those of RX. In this case, it corresponds to the Robo Rider transformation which debuted in the previous episode.


While still pursuing Hitomi, Kohtaro encounters a strange cyborg who wishes to work on his side, but is under the control of a harsh, mind-controlling warrior of the Crisis Empire.


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Form Changes


  • This is the only time Acrobatter becomes Roboizer.

Digital Releases

Black RX DVD Vol 2

Kamen Rider Black RX Volume 2, DVD cover

Black RX Volume 2

Kamen Rider Black RX Box 2, Blu-ray cover

  • The Blu-ray Release of Kamen Rider Black RX Volume 2 features episodes 16-31.[2]


See Also