How NOT to Summon a Demon Lord Battle for Legitimacy (Season 1, Episode 12)
TV-MA
TV Episode | 24 min | Animation, Adventure, Comedy

How NOT to Summon a Demon Lord

Battle for Legitimacy (Season 1, Episode 12)

TV-MA

TV Episode | 24 min | Animation, Adventure, Comedy

The Demon Lord Krebskulm has awakened due to Alicia's betrayal. Diablo stands alone against Klem, her mind consumed by hatred. Shera races to Rem's side. An army of Fallen led by Edelgard marches on Faltra, and the curtain rises on their final battle.

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Cast	+ Add Cast
26 cast members

Name	Known for
Masaaki Mizunaka Takuma Sakamoto / Diablo (voice) Takuma Sakamoto / Diablo (voice) See fewer	Sol Cresta (2022)
Yû Serizawa Shera L. Greenwood (voice) Shera L. Greenwood (voice) See fewer	Lost Song (2018)
Azumi Waki Rem Galleu (voice) Rem Galleu (voice) See fewer	Fate/Grand Order (2015)
Leah Clark Sylvie (voice: English version) Sylvie (voice: English version) See fewer	Evangelion: 1.0 You Are (Not) Alone (2007)
Kimberly Grace Mei (voice: English version) Mei (voice: English version) See fewer	Date a Live (2013)
Yumi Hara Alicia Crystella (voice) Alicia Crystella (voice) See fewer	Overlord (2015)
Emiri Kato Edelgard (voice) Edelgard (voice) See fewer	Overwatch (2016)
Hayato Kimura Demon (voice) Demon (voice) See fewer	Demon Slayer: Kimetsu no Yaiba- The Movie - Infinity Castle (2025)
Kenji Kitamura Ouro (voice) Ouro (voice) See fewer	Final Fantasy VII Remake (2020)
Tatsuyuki Kobayashi Demon (voice) Demon (voice) See fewer	Hundred (2016)
Marissa Lenti Celestine Baudelaire (voice: English version) Celestine Baudelaire (voice: English version) See fewer	Borderlands 3 (2019)
Takuya Makimura Demon (voice) Demon (voice) See fewer	Cyberpunk: Edgerunners (2022)
Brian Mathis Chester Ray Galford (voice: English version) Chester Ray Galford (voice: English version) See fewer	One Piece (1999)
Yuka Morishima Mei (voice) Mei (voice) See fewer	Assassins Pride (2019)
Madeleine Morris Krebskulm (voice: English version) Krebskulm (voice: English version) See fewer	Mushoku Tensei: Jobless Reincarnation (2021)
Rumi Okubo Sylvie (voice) Sylvie (voice) See fewer	Oshi No Ko (2023)
Akio Ôtsuka Chester Ray Galford (voice) Chester Ray Galford (voice) See fewer	Ghost in the Shell (1995)
Sara Ragsdale Alicia Crystella (voice: English version) Alicia Crystella (voice: English version) See fewer	Date a Live (2013)
Kristi Rothrock Edelgard (voice: English version) Edelgard (voice: English version) See fewer	The Ones Within (2019)
Jad Saxton Rem Galleu (voice: English version) Rem Galleu (voice: English version) See fewer	Wolf Children (2012)
Sayaka Senbongi Celestine Baudelaire (voice) Celestine Baudelaire (voice) See fewer	Demon Slayer: Kimetsu no Yaiba - The Movie: Mugen Train (2020)
Atsumi Tanezaki Krebskulm (voice) Krebskulm (voice) See fewer	Spy x Family (2022)
Fumiko Uchimura Boy (voice) Boy (voice) See fewer	Brynhildr in the Darkness (2014)
Takaaki Uchino Demon (voice) Demon (voice) See fewer	I Want to Eat Your Pancreas (2018)
Eric Vale Diablo (voice: English version) Diablo (voice: English version) See fewer	My Hero Academia (2016)
Sarah Wiedenheft Shera L. Greenwood (voice: English version) Shera L. Greenwood (voice: English version) See fewer	Dragon Ball Super (2015)