Walpurgis is over. The Octagram is real. Tempest still has a Falmuth-shaped problem sitting on the table, and Season 3 opens by handing the dirty work to Diablo instead of another Megiddo. If you wanted a victory lap, you get pudding, nobles, and a one-week deadline instead.
Previous: Season 2 Episode 24 — Octagram · Hub: That Time I Got Reincarnated as a Slime
Hook
Walpurgis is over. The Octagram is real. Tempest still has a Falmuth-shaped problem sitting on the table, and Season 3 opens by handing the dirty work to Diablo instead of another Megiddo. If you wanted a victory lap, you get pudding, nobles, and a one-week deadline instead.
This page is the sequential stop after Episode the previous season — not a random recap dump. Scores below are for this 24 minutes only.
Quick Information
- Anime: That Time I Got Reincarnated as a Slime
- Season / Episode: Season 3, Episode 1 (overall #49)
- English title: Demons and Strategies
- Japanese episode title: 悪魔と策謀
- Runtime: ~24 minutes
- Studio: 8bit
- Original air date: April 5, 2024
- Kagex score: 8.4 / 10
- Where to watch legally: Crunchyroll (region-dependent)
Should You Watch It?
Watch this if you just finished Season 2 and want to know what “being a Demon Lord” looks like as homework. It is not a fight episode. It is a who-runs-the-aftermath episode, and Diablo is terrifyingly polite about it. Skip ahead only if you already know the Falmuth settlement; newcomers who jumped in here will feel the Youm/Razen politics without the war that made them necessary.
Beginner-friendly? No as a start point. Watch from Season 1 Episode 1. This installment assumes you already know Tempest’s core cast — Rimuru at minimum.
Bottom line: sequential viewers should not skip “Demons and Strategies.” Fight-only watchers may feel the talkier stretches; nation-building fans will not.
Spoiler Warning
Spoilers for Season 3 Episode 1 (“Demons and Strategies”) follow. Stop above for a clean first watch. This page does not spoil later episodes.
Story Recap
Leftover banquet
After Clayman falls, Walpurgis does not end with a credits roll. Rimuru is still in the room with the other Demon Lords, and the leftover social mess is almost funnier than the fight. Leon and Luminous bounce early. Rimuru copies dishes like a food nerd who accidentally became a catastrophe, then refuses to let Milim drink because she looks like a kid — which is both correct and doomed. Ramiris knocks herself out on wine. The joke is the point: the Octagram is a workplace with terrible coworkers, not a dark throne room. Then he goes home. Tempest greets him like a returning mayor, not a monster king, and that tone shift is Season 3’s real opening move.
Pudding diplomacy
Matcha pudding becomes the first domestic crisis of the season. Rimuru learns Veldora already spilled Walpurgis details to Diablo, confiscates dessert as punishment, then feels bad and gives it back. That tiny loop is the whole Rimuru operating system: he wants control, then he wants people to be happy, then he delegates. Diablo reports that he healed Falmuth’s king and the officers Shion had been working over. The three survivors become Diablo’s servants after the heal. Youm, Grucius, and Mjurran ride along toward Falmuth. Rimuru does not rush to the border. He lets the demon handle it. After Season 2’s body count, that choice feels like a person trying not to become the thing the Church already thinks he is.
Falmuth hears the truth
Falmuth’s nobles cannot heal their king. Then Diablo’s group walks in with a story the Western Holy Church did not want told: the army lost, Veldora is back, and attacking Tempest was a mistake. Razen — who actually understands True Dragons — points out a True Dragon does not stay dead. Dryads helped Rimuru bargain Veldora down from wiping the map. The room starts to understand they picked a war they could not finish. Carlos, the holdout, refuses alliance talk. Razen freezes him in ice. That is the episode’s sharpest political image: not a speech, a demonstration. Diablo heals the king with one of Rimuru’s potions and offers the real menu. Ally, or keep the war. Do not double-cross. The clock is short on purpose.
A week to pick a country
The nobles get very little time to decide because Diablo is not running a debate club. He is closing a campaign. Youm’s presence in the traveling party is the quiet future of Falmuth sitting in the same room as the old one. Grucius and Mjurran make the occupation look like a coalition instead of a monster raid. The Western Holy Church’s claim that Veldora was gone forever is now public trash, which matters later when Hinata and Lubelius have to explain their own intelligence failures. Rimuru, back in Tempest, hears the report and does the most Rimuru thing possible: he leaves Diablo on the job. Season 3’s first thesis is not “Rimuru got stronger.” It is “Rimuru now has people who can end a kingdom without him showing up.”
The demon keeps the pen
The episode closes with the board set, not cleared. Falmuth is alive, embarrassed, and on a timer. Diablo has servants, a healed king, and a reputation that will scare the Church more than any slime speech. Rimuru has pudding, a dragon who cannot keep a secret, and a nation that wants him home more than it wants another war. If you are tracking Season 3’s villains, nobody named Seven Days has walked on stage yet. The pressure is already there: a human kingdom has to choose coexistence under duress, and the Church still thinks it owns the moral language of the West. The next episodes will show who panics first. This one is the calm before that panic, staged as strategy instead of a boss fight.
Story Analysis
Season 3 Episode 1 is a palate cleanser that is also a warning. After Walpurgis, a lesser show would open on a new monster or a revenge army. This one opens on logistics. That is honest to Tensura even when it is not flashy. The comedy (Milim and wine, Ramiris wrecked, pudding jail) keeps Rimuru human. The Falmuth sequence keeps Diablo as the series’ best “I will solve this so you do not have to become a tyrant” tool. The tension is not whether Tempest can win another war. It is whether Rimuru can stay the guy who prefers potions and deadlines to another Megiddo.
Pacing is talky by design. If you bounce, you bounce because you wanted Clayman’s corpse to spawn an instant raid. Fair. The episode is still doing character work: Veldora as leaky roommate, Diablo as over-eager chief of staff, Rimuru as a boss who hates looking at the spreadsheet. World-building sits in the nobles’ panic. The Church’s Veldora narrative was propaganda. True Dragons reincarnate. Dryads can negotiate with storms. Those are not trivia drops. They are the reasons the West cannot treat Tempest like a pest control job anymore.
The emotional note is quieter than Season 2’s despair arc. Rimuru comes home. People are glad. He still has to govern the mess he made by surviving. That is the adult version of the slime story, and this premiere commits to it without apologizing.
Character Analysis
Rimuru is in mayor mode, not berserker mode. He copies food, polices Milim’s drinking, and delegates Falmuth because he does not want another atrocity on his hands. Veldora is comic relief with consequences: he cannot sit on intel. Diablo is the episode’s real lead — healer, intimidator, and diplomat who treats Rimuru’s mercy as a tool. Youm, Grucius, and Mjurran are the human-facing solution Rimuru wants Falmuth to swallow. Razen is the one noble-adjacent voice who understands True Dragon rules well enough to shut down denial. Carlos exists to show what happens if you still play pre-Megiddo politics. Shion is mostly offscreen pressure: her earlier “interrogations” are why Diablo’s heal-and-recruit play even exists. Milim and Ramiris bookend the banquet as chaos gremlins so the Falmuth half does not feel like a minutes meeting.
World Building
This episode’s map is two rooms: the Octagram’s leftover party and Falmuth’s court. Walpurgis membership is now a political fact Tempest has to live with, not a title screen. Falmuth learns Veldora’s revival is not a rumor and that Church doctrine on True Dragons was wrong. Dryads as mediators matter — Jura is not just Rimuru’s backyard; older forest powers helped keep the storm from eating the kingdom. Healing potions as statecraft show Tempest’s real export is not only violence. The week-long choice is the new rule of the West: you do not get infinite committee time when a primordial demon is holding the king’s recovery. Nobody explains Lubelius yet. The Church’s credibility is already cracked, which is the season’s first world crack.
Nothing here is later-arc homework. If a name or rule is only teased, it stays a tease.
Animation
8bit plays this as a talk episode with banquet color and Falmuth stone. Do not expect sakuga; expect readable faces on panicked nobles and Diablo looking delighted to be useful. The ice gag on Carlos is the sharpest visual sting. Food animation and Tempest’s homecoming crowd do more work than any aura burst. For a season premiere after Walpurgis, the restraint is the point — they are saving the budget for Hinata.
Kagex animation score for this episode: 8.0 / 10 — peaks vs average cuts, not a sakuga clip ranking.
Music and Voice Acting
Score 8.2. 8bit’s TV mix leans on Elements Garden sting + silence. Japanese track is the reference for Rimuru’s dual register (cute slime vs office-brain). Dub timing varies by season; don’t wait on it to judge the episode.
Hidden Details
- Rimuru copying banquet dishes is not a gag skill drop — Season 3 keeps treating food as diplomacy.
- Razen’s True Dragon lecture quietly nukes Western Holy Church talking points before Hinata even appears.
- Diablo recruiting the healed Falmuth officers turns Shion’s cruelty into Diablo’s leverage without Rimuru asking for it.
Best Moments
- Milim denied wine while Ramiris immediately proves why the rule exists.
- Pudding confiscation, then the guilty return — Rimuru’s whole leadership style in thirty seconds.
- Razen icing Carlos instead of arguing with him.
Pros & Cons
Pros: Specific to “Demons and Strategies” —
A smart, low-combat Season 3 open that trades spectacle for Diablo doing statecraft. If you like Tensura as nation-building, this is the correct first episode; if you only wanted another Megiddo, it will feel like a briefing.
Cons: Requires earlier episodes. Viewers who only want climax fights may call the political / logistics scenes slow even when they are load-bearing.
Final Verdict
Kagex overall: 8.4 / 10 —
A smart, low-combat Season 3 open that trades spectacle for Diablo doing statecraft. If you like Tensura as nation-building, this is the correct first episode; if you only wanted another Megiddo, it will feel like a briefing.
- Story: 8.5
- Characters: 8.7
- Animation: 8.0
- Music: 8.2
- Enjoyment: 8.3
I like this premiere more than a hype cold open would have. Diablo running Falmuth while Rimuru argues about pudding is the series admitting the war is over and the politics just started. Easy continue if you came for the country, not the corpse pile.
What to Expect Next
Hinata’s side of the map wakes up, and the Church starts deciding whether Rimuru is a problem they can still swing a sword at.
Next: Season 3 Episode 2 — The Saint’s Intentions. Watch legally on Crunchyroll.
FAQ
Do I need to watch Season 3 Episode 1?
Yes if you are watching the TV series in order. Skipping “Demons and Strategies” leaves a hole later episodes assume you have.
What is the Japanese title?
悪魔と策謀 — Crunchyroll English title is “Demons and Strategies.”
When did it air?
April 5, 2024 in Japan. ~24 minutes. Studio 8bit.
Is this Season 3 filler?
No. Tensura’s “quiet” hours are usually nation, diplomacy, or setup — not recap filler.
Where does this sit in the overall count?
Overall TV episode 49 of the main series (S1–S3 are 72; Season 4 continues from 73).
Should I watch Slime Diaries first?
No. Diaries is optional comedy. This review is the main TV track.
Where are character guides?
Tensura characters — Rimuru, Veldora, Milim, and the Tempest officers.
Where are facts / spoilers for the franchise?
Fact and Spoilers on the hub. This episode page stays inside Episode 1.
Keep exploring
- Tensura anime hub
- Season 1 review
- Overall review
- Previous: Season 2 Episode 24 — Octagram
- Next: Season 3 Episode 2 — The Saint’s Intentions
- Characters
- Fact and Spoilers
Your turn
Was “Demons and Strategies” a continue episode or a skip-risk for you? Favorite beat? Who should get the next character page?
Sources: Crunchyroll episode titles; Wikipedia list of Tensura episodes; official Tensura anime site.
