Why Watch
"Trade high-stakes fantasy stress for immortal cottagecore comfort in this charming, slow-paced slice-of-life isekai adventure."
Tone: Cozy, Whimsical, Feel-Good Fantasy
AI Critic Analysis
Series Deep Dive:
Centering on the overworked corporate drone Azusa, I've Been Killing Slimes for 300 Years and Maxed Out My Level delivers pure, unhurried escapism. Director Nobukage Kimura maintains a gentle cadence throughout Season 2, prioritizing found-family bonding over grand martial conflict. While the stakes remain low, the warm comedic chemistry and lighthearted worldbuilding solidify this completed anime as a premier entry in the cozy iyashikei fantasy subgenre.
Analysis Refined:March 2026
Scheduled next refinement: in 425 days
Season: 2
| Watched? | # | Air Date | Episode Name |
|---|---|---|---|
| E1 | Apr 05, 2025 | 神様が来た | |
| E2 | Apr 12, 2025 | アンデッドを捜索した | |
| E3 | Apr 19, 2025 | ベルゼブブの家に行った | |
| E4 | Apr 26, 2025 | マンドラゴラを探すことになった | |
| E5 | May 03, 2025 | ユフフママの娘になった | |
| E6 | May 10, 2025 | ライカが武術大会に出た | |
| E7 | May 17, 2025 | 松の精霊に会った | |
| E8 | May 24, 2025 | 海水浴に行った | |
| E9 | May 31, 2025 | 悪霊の陛下と会った | |
| E10 | Jun 07, 2025 | 魔王のお誕生会に行った | |
| E11 | Jun 14, 2025 | 伝統ある神様と戦った | |
| E12 | Jun 21, 2025 | 今年も喫茶店を開いた |
Series Legacy & Historical Archive
Franchise Status: Season 2 announced / Ongoing franchise expansion
I've Been Killing Slimes for 300 Years and Maxed Out My Level remains a definitive pillar of television, having concluded its influential run on AT-X. The series carved out a distinct sanctuary within the saturated fantasy genre, trading high-stakes apocalyptic warfare for the comforting rhythms of rural domesticity. By championing self-care, found family, and low-stress comedic worldbuilding, it fundamentally redefined slice-of-life storytelling. Its enduring charm continues to influence modern pastoral adaptations, immortalizing Azusa Aizawa's cozy cottage life as a benchmark of heartwarming escapist entertainment.
Oracle Insights Refined:September 2026
Scheduled next refinement: in 490 days
If you liked I've Been Killing Slimes for 300 Years and Maxed Out My Level:
Trailer
Technical Details
- Network: AT-X
- Seasons: 2
- Years: 2021 - 2025
- Genre: Animation, Anime, Comedy, Fantasy
- Rating: TV-14
Frequently Asked Questions
The initial television run of the anime concluded on June 26, 2021, on Japan's AT-X network. It completed its scheduled single-cour broadcast run that originally debuted in April 2021.
The initial television run produced one complete season consisting of 12 standard half-hour episodes. It was animated by studio Revoroot and adapted the early volumes of Kisetsu Morita's light novel series.
The production was contracted as a standard one-cour seasonal anime adaptation to promote the ongoing light novel franchise. It reached a natural narrative stopping point covering the first four volumes of the source material.
Yes, a second season titled I've Been Killing Slimes for 300 Years and Maxed Out My Level: I Was Invited to a Demon Country was officially greenlit following the first season's success. Production for the sequel moved to studio Teddy, slated to continue Azusa's laid-back adventures.
No canonical feature-length animated films or standalone anime spin-off series have been released. However, official light novel spin-offs exist in print, such as I Was a Bottom-Tier Bureaucrat for 1,500 Years and Red Dragon Academy, which flesh out the shared universe.
Internationally, the first season is licensed and streamed by Crunchyroll across multiple territories with subtitled and dubbed formats. In select Asian regions, distribution was handled via platforms like Muse Asia.
FAQ Refined:March 2026
Scheduled next refinement: in 351 days