Mushoku Tensei: Jobless Reincarnation - Eris the Goblin Slayer

無職転生～異世界行ったら本気だす～エリスのゴブリン討伐 (Mushoku Tensei: Isekai Ittara Honki Dasu - Eris no Goblin Toubatsu)

10.0(1)

OtakuDen

7.8(119,136)

MAL Score

Ranked #1223

Popularity #1314

Adventure
Drama
Fantasy
Isekai
Reincarnation

Episodes: 1
Duration: 23 min
Aired: Mar 16, 2022
Status: Finished Airing

Synopsis

While staying in the capital city of Milishion, the members of Dead End take a day apart to handle their own errands. Rudeus Greyrat ends up sidetracked by an unexpected commotion, leaving Eris Boreas Greyrat with time on her hands and no clear plan.

Eager for something more straightforward, Eris sets out to hunt goblins and soon runs into Cliff Grimoire, a brash yet gifted mage. Though she tries to brush him off, Cliff insists on tagging along and provokes her into venturing into the dangerous forest outside the city. Eris takes the bait, and their search quickly leads them toward a threat far more revolting than the goblins they expected.

Otaku Consensus

Eris the Goblin Slayer lands as a compact, well-liked Mushoku Tensei side chapter, backed by a 7.78 MAL score from more than 119,000 votes and a matching 78/100 AniList score. Its strongest asset is continuity: Studio Bind and Manabu Okamoto keep the main series’ measured direction, physical swordplay, and adaptation texture intact while letting Eris carry a more direct adventure beat. The limitation is built into the format: at one episode, it works better as character enrichment and franchise connective tissue than as a fully satisfying standalone fantasy drama.

Why You Should Watch

Watch this if your favorite parts of Mushoku Tensei are the grounded travel detours, messy adventurer culture, and character acting that happens away from the main questline. This is the rare franchise extra that does not feel like disposable fan service: it shifts the dramatic weight onto Eris, uses Cliff Grimoire as a sharp personality contrast, and keeps the setting’s mix of magic, religion, swordplay, and grime intact. It scratches a little of the same itch as Goblin Slayer’s low-level fantasy brutality, but filtered through Mushoku Tensei’s more character-driven direction rather than pure procedural monster hunting. If you want a short, canon-flavored companion piece without committing to another arc, this is one of the cleaner one-episode investments in the franchise.

Key Characters

E
Eris Boreas Greyrat
Eris is the reason this special matters: her sword-first temperament turns a side episode into a character stress test rather than a simple bonus adventure.
C
Cliff Grimoire
Cliff stands out as a brash magical prodigy whose confidence creates a very different rhythm from Eris’s blunt physicality.
R
Rudeus Greyrat
Rudeus is notable here because his reduced centrality lets the episode show how the world and cast function when he is not controlling the frame.

What Makes It Stand Out

1
Studio Bind handles the episode, preserving the production identity of the main Mushoku Tensei anime rather than outsourcing the special into a visibly separate style.
2
Manabu Okamoto is credited as both director and series composition, giving the episode the same authorial control structure associated with the television adaptation’s pacing and tonal balance.
3
The AniList tag profile is unusually revealing for a one-shot: Tsundere at 88%, Female Protagonist at 87%, Swordplay at 87%, and Magic at 85% accurately signal that this is built around Eris’s combat personality rather than Rudeus’s usual viewpoint.
4
Its genre mix is more abrasive than the word “special” suggests, with AniList tags for Religion at 70%, Assassins at 48%, and Gore at 44%, placing it closer to the darker edges of Mushoku Tensei’s worldbuilding.
5
The episode’s structure is a deliberate perspective break: it takes a supporting lead from the main series and gives her a self-contained fantasy problem with a new character dynamic.

Fun Facts & Trivia

Fun fact 1: The episode aired on March 16, 2022 and is listed as a single completed episode, making it a discrete entry rather than a numbered television arc.
Fun fact 2: Rifujin na Magonote is credited for the original story, while Sirotaka is credited for the original character designs, keeping the light novel’s core creative lineage attached to the anime special.
Fun fact 3: Character design duties are split between Kazutaka Sugiyama and Mizuki Takahashi, with Yoshiko Saitou credited for sub character design, a notable amount of design staffing for a one-episode production.
Fun fact 4: Prop design receives separate credits for Ryou Imamura and Shigeyuki Koresawa, reflecting Mushoku Tensei’s production habit of treating equipment and material culture as part of the fantasy texture.
Fun fact 5: Despite being only one episode, it has over 119,000 MAL votes and 1,082 AniList favourites, evidence that the franchise audience treated it as more than a minor extra.