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I've Been Killing Slimes for 300 Years and Maxed Out My Level 2 (TV)

Have you seen this? want to / seen some / seen all

Alternative title:
Slime Taoshite 300-nen, Shiranai Uchi ni Level Max ni Nattemashita: Sono Ni (Japanese)
スライム倒して300年、知らないうちにレベルMAXになってました ～そのに～ (Japanese)
Genres: comedy, fantasy
Themes: isekai
Watch I've Been Killing Slimes for 300 Years and Maxed Out My Level on:
User Ratings: 52 ratings have been given [details]
 Masterpiece: 1 vote (dub:1)
 Excellent: 4 votes (sub:3, dub:1)
 Very good: 6 votes (sub:5, dub:1)
 Good: 12 votes (sub:11, dub:1)
 Decent: 14 votes (sub:13, dub:1)
 So-so: 8 votes (sub:7, dub:1)
 Not really good: 1 vote (sub:1)
 Weak: 5 votes (sub:5)
 Bad: 1 vote (dub:1)
 Awful: -
 Worst ever: -
Seen in part or in whole by 138 users, rank: #4766 (of 10086)
Median rating: Decent
Arithmetic mean: 6.212 (Decent+), std. dev.: 1.7468, rank: #7032 (of 10248)
Weighted mean: 6.234 (Decent+), rank: #6875 (of 10248) (seen all: 6.36 / seen some: 6.48 / won't finish: 4.53)
Bayesian estimate: 6.482 (Decent+), rank: #5568 (of 7715)
Vintage: 2025-04-05
Opening Theme:
"So☆Lucky" by Yui Ogura
Ending Theme:
"Eeny Meeny Miny Moe" by Aguri Oonishi
Review:
I've Been Killing Slimes for 300 Years and Maxed Out My Level Season 2 Anime Series Review (Jul 5, 2025)
News: Show:
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Crunchyroll Streams The Unaware Atelier Meister, Once Upon a Witch's Death, More Anime in India (Mar 22, 2025)
Muse Asia Licenses I've Been Killing Slimes for 300 Years and Maxed Out My Level 2 Anime (Mar 10, 2025)
I've Been Killing Slimes for 300 Years and Maxed Out My Level 2 Season's 2nd Video Reveals April 5 Debut (Jan 4, 2025)
I've Been Killing Slimes for 300 Years and Maxed Out My Level 2 Anime Reveals Character Video for Pecora (Oct 18, 2024)
I've Been Killing Slimes for 300 Years and Maxed Out My Level 2 Anime's 1st Promo Video Reveals April 2025 Debut (Oct 12, 2024)
I've Been Killing Slimes for 300 Years and Maxed Out My Level 2 Anime Reveals Character Video for Fratorte (Oct 11, 2024)
I've Been Killing Slimes for 300 Years and Maxed Out My Level 2 Anime Reveals Character Video for Rosalie (Oct 4, 2024)
I've Been Killing Slimes for 300 Years and Maxed Out My Level 2 Anime Reveals Character Video for Beelzebub (Sep 27, 2024)
I've Been Killing Slimes for 300 Years and Maxed Out My Level 2 Anime Reveals Character Video for Halkara (Sep 20, 2024)
I've Been Killing Slimes for 300 Years and Maxed Out My Level 2 Anime Reveals Character Video for Falfa, Shalsha (Sep 13, 2024)
I've Been Killing Slimes for 300 Years and Maxed Out My Level 2 Anime Reveals Character Video for Laika (Sep 6, 2024)
I've Been Killing Slimes for 300 Years and Maxed Out My Level 2 Anime Reveals 2nd Key Visual, Azusa's Character Video (Aug 30, 2024)
I've Been Killing Slimes for 300 Years and Maxed Out My Level 2 Anime Reveals New Cast in 2nd Teaser Video (Jul 12, 2024)
I've Been Killing Slimes for 300 Years and Maxed Out My Level Season 2 Posts 1st Teaser (Mar 23, 2024)
I've Been Killing Slimes for 300 Years and Maxed Out My Level Season 2 Unveils Title, Revamped Staff, 2025 Debut (Mar 9, 2024)
Other article:
The Spring 2025 Anime Preview Guide - I've Been Killing Slimes for 300 Years and Maxed Out My Level 2 (Apr 5, 2025)
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Japanese staff
Japanese cast
Director: Kunihisa Sugishima
Series Composition: Naohiro Fukushima
Music: Keiji Inai
Original creator: Kisetsu Morita
Original Character Design: Benio
Character Design: Hikaru Kodama

Theme Song Performance:
Aguri Ōnishi (ED)
Yui Ogura (OP)
Aoi Yūki as Azusa Aizawa

Ari Ozawa as Vania
Azumi Waki as Fratorte
Kaede Hondo as Laika
Manami Numakura as Beelzebub
Miku Itō as Fatla
Minami Tanaka as Shalsha
Riho Sugiyama as Rosary
Sayaka Harada as Halkara
Sayaka Senbongi as Falfa
Yui Ogura as Sandora
Yukari Tamura as Pecola

Ai Kayano as Yufufu (eps 2, 5, 7, 12)
Akihiro Tajima as Fratorte's father (ep 6)
Anju Oda as Employee D (ep 3)
Anri Tanaka as Evil Spirit A (ep 8)
Aria Seki as Schoolboy D (ep 5)
Ayasa Itō as Fightie
Azusa Aoi as Schoolboy C (ep 5)
Azusa Tadokoro as Misjantie (eps 7, 11-12)
Daichi Hayashi as
Cerberus (ep 9)
Man A (ep 9)
Emiko Takeuchi as Cumulonimbus cloud spirit (ep 2)
Hana Ayasaka as Believer A (ep 11)
Hibiki Aoi as Blue Dragon C (ep 6)
Hideo Okugami as Robber C (ep 5)
Hikaru Tōno as Eno (eps 4, 7, 12)
Hina Suzuki as Blue Dragon B (ep 6)
Hinaki Yano as Muum Muum (eps 8-9, 12)
Ikumi Hayama as Fratorte's mother (ep 6)
Kako Ikura as Waterfall spirit (ep 2)
Kamiri Matsuda as Witch C (ep 4)
Kana Hanaiwa as Employee B (ep 3)
Kanna Nakamura as
Clerk (ep 5)
Schoolboy B (ep 5)
kayto as Villager B (ep 12)
Kazuki Miyagi as Gandada (ep 6)
Kei Shindō as Nintan (eps 11-12)
Kikuko Inoue as Mega-mega (eps 1, 11-12)
Koharu Miyazawa as Witch A (ep 4)
Kokona Natsume as
Demon D (ep 10)
Heavenly King B (ep 10)
MC (ep 10)
Kotori Koiwai as Kuku (eps 10, 12)
Manaka Iwami as Curalina (eps 8, 12)
Mashiro Hitaka as Evil Spirit C (ep 8)
Mikoto Nakai as Teacher (ep 5)
Miyuki Hara as Old woman (ep 2)
Moka Hinata as Staff member A (ep 10)
Momoko Seto as Believer B (ep 11)
Naoya Nakanishi as
Balloon boar (ep 3)
Demon (ep 3)
Plant (ep 3)
Natsune Inui as Schoolgirl A (ep 5)
Reina Kondo as Nahna Nahna (eps 8-9, 12)
Rena Motomura as Evil Spirit B (ep 8)
Riko Akechi as Witch B (ep 4)
Rikuto Sunaga as
Announcer (ep 1)
Demon B (ep 10)
Demon Guard A (ep 10)
Villager C (ep 1)
Rikuya Yasuda as Villager A (ep 12)
Risae Matsuda as Schoolboy A (ep 5)
Runa Sasaki as Witch D (ep 4)
Ryūho Nagaoka as
Giant snake (ep 8)
Hydra (ep 8)
Ryūnosuke Watanuki as
Demon A (ep 10)
Demonic Beast (ep 10)
Heavenly King A (ep 10)
Sae Hiratsuka as Schoolgirl B (ep 5)
Sakura Nakamura as
Commentator (ep 6)
Host (ep 1)
Villager A (ep 1)
Sara Miyanaga as Villager D (ep 12)
Sayaka Kikuchi as Natalie (eps 1-2, 7, 12)
Seiji Maeda as
Demon E (ep 10)
Demon Guard B (ep 10)
Heavenly King C (ep 10)
Shuntaro Takayama as
Employee C (ep 3)
Man B (ep 9)
Shuya Watanabe as Blue Dragon A (ep 6)
Sousuke Shimokawa as
Guard (ep 5)
Robber D (ep 5)
Suzuko Hara as Villager C (ep 12)
Tadaaki Doi as Domremy (ep 6)
Takafumi Maeuchi as
Demon C (ep 10)
Demon Guard C (ep 10)
Heavenly King D (ep 10)
Takumu Miyazono as Volcanic ash spirit (ep 2)
Tetsurou Tsukada as Robber A (ep 5)
Tetsuya Kawatō as
Employee A (ep 3)
Giant Spider (ep 3)
Tomoya Itō as Villager B (ep 1)
Yōko Shiraishi as Villager D (ep 1)
Yūki Hoshi as
Demon F (ep 10)
Demon Guard D (ep 10)
Mage (ep 10)
Robber B (ep 5)
Staff member B (ep 10)
Yūko Ōno as Pondelie (eps 2-3, 7, 12)
Japanese companies
Animation Production: Teddy
Music Production: Nippon Columbia
English staff
English cast
Producer: Susie Nixon

Adaptation: Jessica Sluys
Assistant ADR Director: Kevin D. Thelwell
Engineer:
Derric Benavides (ep 1)
Jose Sandoval
Mixing: James Baker
Voice Direction: Jerry Jewell
Kelly Greenshield as Azuza Aizawa (ep 3-)
Skyler Davenport as Azuza Aizawa (eps 1-2)

Abigail Blythe as Fatla
Amber Lee Connors as Flatorte
Anne Yatco as Rosalie
Corina Boettger as Pecola 
Erica Mendez as Beelzebub 
Kelsey Cruz as Vania (Stand-in)
Lizzie Freeman as Falfa
Meg McClain as Sandra
Rachelle Heger as Laika
Suzie Yeung as Shalsha
Xanthe Huynh as Halkara

Abigail Blythe as
Fighsly (ep 2)
Mega-Mega
Anairis Quiñones as Eno 
Celeste Perez as Nintan (eps 11-12)
Hannah Magers as Misami (Cloud Spirit)
Jacob Shultz as Domremy (ep 6)
Jim Foronda as Volcanic Ash Spirit (ep 2)
Kristin Sutton as Yufufu
Lisette Monique Diaz as Muum Muum (eps 8-9)
Nia Celeste as Pondeli
Raina Meginley as Cainresq
Rebecca Danae as Forahn
Rebecca Chiara Marano as Curalina
Ryan Bartley as Natalie
Trey Upton as Armeshtan

Christian Thorsen
Dee Meo
Gerard Caster
Jennifer AuBuchon
Jessica Peterson
Tristan Bonner
English companies
Internet Streaming: Crunchyroll
French staff
French cast
Adaptation: Emmanuel Pettini
Nancy Philippot as Azusa Aizawa

Aaricia Dubois as Esprit des méduses
Annaïg Bouguet as Fratorte
Catherine Hanotiau as Slimartiaux
Elisabeth Guinand as Harukara
Elsa Poisot as Falfa
Laurence Stevenne as Fatla
Marie Braam as Pecola
Marie Van Ermengem as Shalsha
Marie Du Bled as Raika
Sarah Mathurin as Sandora (Sandra)
Sophie Landresse as Vania
Sophie Pyronnet as Rosalie
Valerie Muzzi as Belzébuth

Aaricia Dubois as Mega-mega (eps 13, 23-24)
Alayin Dubois as
Curalina (eps 20, 24)
Mumu Mumu (eps 20-21, 24)
Audrey D'Hulstere as
Commentatrice du tournoi (ep 18)
Mère de Fratorte (ep 18)
Aurélie Castin as Kuku (eps 22, 24)
Claire Tefnin as Nana Nana (eps 20-21, 24)
Esther Aflalo as
Esprit des cumulonimbus (ep 14)
Misjantie (eps 19, 23-24)
Fabienne Loriaux as Nintan (eps 23-24)
Jazz Marlier as Yufufu
Laetitia Liénart as Nathalie (4 episodes
eps 13-14, 19, 24
)
Laurence Stevenne as Esprit de la cascade (ep 14)
Laurent Van Wetter as Servan (ep 22)
Lise Leclercq as Ponderi (4 episodes
eps 14-15, 19, 24
)
Ludivine Deworst as Eno (eps 16, 19, 24)
Marvin Schlick as Gandada (ep 6)
Pierre Bodson as
Domremy (ep 18)
Père de Fratorte (ep 18)
Valentin Vanstechelman as Esprit des cendres volcaniques (ep 2)

Alain Eloy
Alexandre Crépet
Alexis Flamant
Damien Locqueneux
Maxime Donnay
Olivier premel
Patrick Waleffe
Thibaut Delmotte
French companies
Spanish staff
Spanish cast
ADR Director: Luis Daniel Garza
ADR Script: Jaime Chaparro

ADR Mixing: Francisco Guarneros
Production Assistant: Jahaziel Rodríguez
Production Supervision: Luis Espinosa
Project Manager: Karina Escalante
Alicia Vélez as Azusa Aizawa
Zoe Mora as Laika

Alex Delint as Beelzebub
Banny Vilchis as Provat Pecora Allieres
Casandra Acevedo as Rosalie
Gaby Gris as Flatorte
Lucía Suárez as Sandra
Mildred Barrera as Halkara
Susana Moreno as Farfan Aizawa
Verania Ortiz as Sharsha Aizawa

Araceli Romero as Leviathan Fatla
Cecilia Guerrero as Nanha Nanha
Cynthia Chong as Natalie Jr.
Desireé González as Megamega
Erika Langarica as Curalina (eps 20, 24)
Estefanía Piedra as Eno
Montserrat Aguilar as Slilucha
Pabla Hermann as Pondeli
Scarlet Miuller as Leviathan Vania
Valentina Souza as Kuku Schifanoia
Valeria Erives as Yufufu
Spanish companies
ADR Production: Candiani Studios
ADR Studio: Audiomaster Candiani
Internet Streaming: Crunchyroll

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