|This article is about a/an episode in Mahou Sentai Magiranger.|
The Ruler of Darkness ~Uuza Douza Uru Zanga~ is the sixth episode of Mahou Sentai Magiranger. This episode features the first appearance of Dark Magic Knight Wolzard's main Majin battle form: WolKaiser.
Kai is lured by Wolzard into battle, where he discovers more about his enemy's nature as the black wizard manipulates the Magiranger for his purposes.
- As part of Super Hero Time, this episode aired alongside Kamen Rider Hibiki episode 8, Shouting Wind
- Pre-Credits Spell: Uuza Douza Uru Zanga (changes Wolzard into WolKaiser)
- This is the first episode where the "pre-credits spell" is introduced by the Nightmare Sisters instead of Mandora Boy, due to the focus spell being related to Wolzard; Nai gets disturbed by all the copying Mea does of her