That Time I Got Reincarnated as a Slime Season 3 Episode 23

GREAT

100%

of 1 scoutsrecommend

Animation & Style

Character Writing & Lore

Pacing

World Building & Setting

👀 SPOILER-FREE SUMMARY

The penultimate episode of Season 3 shifts gears into pure worldbuilding fun as Rimuru's grand dungeon project finally goes live. Expect a lighter, more adventurous tone here — this isn't a high-stakes battle episode but rather a showcase of Tempest's ambition and creativity. The labyrinth serves as a playground for familiar faces like Masayuki and Eren's party, who dive into its challenges with enthusiasm and plenty of banter. The pacing leans into exploration and discovery, with action sequences woven between comedic beats as adventurers navigate traps and encounters. There's a festive energy running through the whole thing, reinforcing Tempest's evolution from a small monster settlement into a thriving nation. It's a rewarding episode for fans who enjoy the nation-building side of Slime as much as the combat.

🔥 KEY MOMENTS

⚠️ Spoiler Alert!

The Labyrinth Grand Opening

Rimuru officially unveils his underground labyrinth to the public during the festival, turning Tempest's most ambitious project into a live spectacle. Adventurers from across the land line up to test themselves against its depths.

Resurrection Bracelets Revealed

To remove the threat of permanent death, Rimuru introduces resurrection bracelets that teleport defeated adventurers back to the dungeon entrance upon defeat. It's a calculated move that lowers the stakes for participants while keeping the dungeon's reputation as a serious challenge intact.

Teams Enter the Fray

Multiple parties dive into the labyrinth simultaneously — Great Lightning, Kabal's Party, and Masayuki's Team Lightspeed among them. Masayuki's hero reputation precedes him, drawing extra attention as his squad pushes through the dungeon's traps and monster encounters.

Rimuru's War Room

Rimuru and his inner circle monitor every floor from above, analyzing adventurer strategies and the labyrinth's defensive performance in real time. It doubles as both entertainment and a live stress test of the dungeon's design.

A Shadow Watching Rimuru

A mysterious figure is spotted observing Rimuru from the periphery, their intentions unclear but their presence unmistakably ominous. With only one episode left in the season, this tease signals a looming threat that could upend everything Tempest has built.

📍 ARC CONTEXT

Coming off the martial arts tournament where Gobta claimed an unexpected victory, this episode pivots to the dungeon's grand opening — another major piece of Tempest's festival arc and Rimuru's nation-building ambitions. As the second-to-last episode of the season, it serves as both a celebration of how far Tempest has come and a setup for the season finale's concluding events. The focus on growth and spectacle rather than conflict positions the finale to tie together the season's overarching themes of diplomacy, power, and community.

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