Saikyo Ginga Ultimate Zero Episode 21

The twenty-first episode of the anime series Battle Spirits Saikyo Ginga Ultimate Zero.
To acquire a new ultimate crystal, each of Zero's forms must battle a mirror image of themselves.
==Summary==
==Featured Card==
Darkwurm-Nova-Remnant
==Matches==
==Cards Used==
===Red===
===Purple===
===Green===
===White===
== Video (Preview/Episode) ==
1) Preview
full|left|400 px
2) Episode
thumb|left|500px
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==Cast==
*Rei - Yuichi Nakamura
*Mugen- Yuka Iguchi
*Rikuto April- Rie Kugimiya
*Laila April- Mariya Ise
*Salt- Jun Fukuyama 
*Kiriga- Junichi Suwabe
*Ian- Ryoko Shiraishi
* Watari- Kappei Yamaguchi
*Hashibuto- Kenji Nomura
*Tsuruhashi- Mamoru Miyano
*Hansoro- Shigeo Kiyama
*Kon Tone- Tomomichi Nishimura
*Ultimate-Alexander- Kenjiro Tsuda
*Mirror Zero- Koji Yusa
*Secondhand Bookstore Owner- Toshihide Tsuchiya
*Colin- Hiro Shimono
==Main Staff==
*Script: Shuichi Kamiyama
*Storyboard/Episode Director: Akiko Honda
*Animation Director: Shou Kojima
==Trivia==
Category:Episodes: Ultimate Zero