I've Been Killing Slimes for 300 Years and Maxed Out My Level Season 2 Unveils Title, Revamped Staff, 2025 Debut

The official website for the television anime of Kisetsu Morita’s I’ve Been Killing Slimes for 300 Years and Maxed Out My Level (Slime Taoshite 300-nen, Shiranai Uchi ni Level Max ni Nattemashita) light novel series unveiled the Slime Taoshite 300-nen, Shiranai Uchi ni Level Max ni Nattemashita ~Sono Ni~ (I’ve Been Killing Slimes for 300 Years and Maxed Out My Level 2) title, revised staff roster, returning cast, 2025 debut, and teaser visual for the second season on Saturday.

The novel series ranked at #9 in the 2019 edition of the Kono Light Novel ga Sugoi! guidebook.

Naohiro Fukushima, an episode scriptwriter in the first season, is supervising the new season’s series scripts instead of Tatsuya Takahashi.