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I've Been Killing Slimes for 300 Years and Maxed Out My Level poster
TV Series · Latest: Season 2

I've Been Killing Slimes for 300 Years and Maxed Out My Level

  • Animation
  • Comedy
  • Sci-Fi & Fantasy
ConfirmedFirst aired 2021-04-107.9

After dying of overwork in the real world, I’m reincarnated as an immortal witch, and I spend 300 years enjoying a relaxing life. At some point, though, I end up at level 99! All those years spent killing slimes to make the money to pay the bills gave me a ton of experience points. Rumors of the level 99 witch spread, and soon I’m up to my ears in curious adventurers, duelist dragons, and even a monster girl calling me her mom! I’ve never been on an adventure, but I’m the strongest in the world… What’s going to happen to my relaxing life?!

When does I've Been Killing Slimes for 300 Years and Maxed Out My Level come out?

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Where to watch

Streaming availability in United States

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  • Crunchyroll
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Digital purchase & rental in United States

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  • Amazon Video
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Where to watch I've Been Killing Slimes for 300 Years and Maxed Out My Level by country

  • United States
  • United Kingdom
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Top cast

Follow an actor to track their next projects
  • Aoi Yuuki
    Aoi Yuuki
    Azusa (voice)
  • Kaede Hondo
    Kaede Hondo
    Laika (voice)
  • Sayaka Senbongi
    Sayaka Senbongi
    Falfa (voice)
  • Minami Tanaka
    Minami Tanaka
    Shalsha (voice)
  • Sayaka Harada
    Sayaka Harada
    Halkara (voice)
  • Manami Numakura
    Manami Numakura
    Beelzebub (voice)
  • Riho Sugiyama
    Riho Sugiyama
    Rosary (voice)
  • Azumi Waki
    Azumi Waki
    Fratorte (voice)
  • Yukari Tamura
    Yukari Tamura
    Pecora (voice)
  • Kikuko Inoue
    Kikuko Inoue
    Goodly Godly Godness (voice)
  • Eri Yukimura
    Eri Yukimura
    Natalie Sr. (voice)
  • Shunsuke Todo
    Shunsuke Todo
    Warrior (voice)
  • Yuko Natsuyoshi
    Yuko Natsuyoshi
    Monk (voice)
  • Ikuto Kanemasa
    Ikuto Kanemasa
    Villager A (voice)
  • Kanako Yanagihara
    Kanako Yanagihara
    Villager C (voice)

Trailer

Season 2 Official Trailer [Subtitled]

YouTube · 2025-03-19

Seasons

2 seasons
  • I've Been Killing Slimes for 300 Years and Maxed Out My Level season 1 poster
    Season 1
    0 episodes · 2021-04-10
  • I've Been Killing Slimes for 300 Years and Maxed Out My Level season 2 poster
    Season 2
    0 episodes · 2025-04-05

Episodes · Season 2

Full season
#TitleAir dateRuntimeRating
01Along Came a Goddess2025-04-0524m6.0
02We Searched for an Undead2025-04-1224m6.0
03We Went to Beelzebub's House2025-04-1924m5.5
04We Went Looking for a Mandragora2025-04-2624m6.0
05I Became Mama Yufufu's Daughter2025-05-0324m7.0
06Laika Entered a Martial Arts Tournament2025-05-1024m7.0
07I Met a Pine Spirit2025-05-1724m7.0
08We Went Swimming in the Sea2025-05-2424m6.0
09We Met the Evil Spirit Queen2025-05-3124m6.0
10We Went to the Demon King's Birthday Party2025-06-0724m7.0
11I Battled a Traditional Goddess2025-06-1424m7.0
12We Opened the Coffee Shop Again This Year2025-06-2124m7.0

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