Treyni evolves into a Dryas Doll Dryad so she can walk into Walpurgis, Geld’s trap eats Clayman’s army, and the Beastketeers start their boss fights: Albis versus Yamza, Phobio versus the clowns. The banquet’s starting pistol is a battlefield.
Previous: Season 2 Episode 18 — The Demon Lords · Hub: That Time I Got Reincarnated as a Slime
Hook
Treyni evolves into a Dryas Doll Dryad so she can walk into Walpurgis, Geld’s trap eats Clayman’s army, and the Beastketeers start their boss fights: Albis versus Yamza, Phobio versus the clowns. The banquet’s starting pistol is a battlefield.
This page is the sequential stop after Episode 18 — 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 2, Episode 19 (overall #43)
- English title: The Signal to Begin the Banquet
- Japanese episode title: 開宴の合図
- Runtime: ~24 minutes
- Studio: 8bit
- Original air date: August 17, 2021
- Kagex score: 8.5 / 10
- Where to watch legally: Crunchyroll (region-dependent)
Should You Watch It?
Watch it. This is the war going loud on the Eurazania map while Rimuru finishes banquet prep. Skip it and the Five Fingers duels have no opening. Action returns for real. Sequential. If you missed the Beastketeers since the foyer brawl, they are the lead guitar this hour.
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 “The Signal to Begin the Banquet.” Fight-only watchers may feel the talkier stretches; nation-building fans will not.
Spoiler Warning
Spoilers for Season 2 Episode 19 (“The Signal to Begin the Banquet”) follow. Stop above for a clean first watch. This page does not spoil later episodes.
Story Recap
A dryad who can sit with calamities
Rimuru’s Walpurgis prep includes evolving Treyni into a Dryas Doll Dryad — a form that can actually attend a demon-lord function instead of remaining a forest rumor. Ramiris’s plus-ones (Beretta, Treyni) are becoming a bloc. The fairy who warned the table is bringing staff. Jura’s caretaker is about to walk into a banquet of people who eat caretakers for snacks.
That evolution is world-building and a loyalty gift. Dryads changing body class to follow a slime into politics is the alliance made flesh. Rimuru collects weird colleagues. This is one of the weirder, and it is practical.
Walpurgis prep includes evolving Treyni into a Dryas Doll Dryad — a form that can attend a demon-lord function instead of remaining a forest rumor. Ramiris’s plus-ones becoming a bloc.
Geld’s ground, Clayman’s mistake
Benimaru’s arrival plus Geld’s trap turns Clayman’s army into a kill box on Eurazanian dirt. Orc engineering, the famine corps’ second life, used against a demon lord’s expeditionary force. The men who were Starved are now the terrain. That rhyme is the series grinning with teeth.
The signal to begin the banquet is this: the field war is already a disaster for the producer, and the producer still thinks the banquet is his scene. Two stages, one pistol. Rimuru has not even sat down yet.
Benimaru’s arrival plus Geld’s trap turns Clayman’s army into a kill box on Eurazanian dirt. Orc engineering, famine corps’ second life, used against a demon lord’s expeditionary force. Men who were Starved now the terrain. Rhyme the series grinning with teeth.
Beastketeers, choosing officers
Albis, Suphia, Phobio — Carrion’s three — go for the enemy’s named. Rescue-the-king energy, even if Carrion’s status is a fog. Albis draws Yamza of the Five Fingers. Phobio draws Footman and Tear, which is either revenge for Charybdis or a chance to stop being the man who unsealed a calamity. Personal ledgers opening on a national field.
This is why the Animal Kingdom plot existed in the premiere. Foyer insults to officer duels. The Beastketeers are not guests in Tempest’s war. They are the home team with Tempest as the relief.
Albis, Suphia, Phobio — Carrion’s three — go for the enemy’s named. Rescue-the-king energy even if Carrion’s status is fog. Albis draws Yamza of the Five Fingers.
This is why the Animal Kingdom plot existed in the premiere. Foyer insults to officer duels. The Beastketeers are the home team with Tempest as the relief, not extras in someone else’s war.
Clowns on the clock
Footman and Tear in a real battle instead of a sales pitch is the Harlequin kit without the timeshare smile. Phobio taking that fight is character growth from “open Charybdis” to “hit the people who sold it to me,” if he can land it. The episode starts these duels more than it finishes them. Starting pistols do that.
Yamza versus Albis is the Five Fingers’ quality check. Clayman’s officer corps has names. Names can die. The trap plus named duels is combined arms again: Geld’s box, Beastketeers’ blades, Benimaru’s command.
Footman and Tear in a real battle instead of a sales pitch: Harlequin kit without the timeshare smile.
Yamza versus Albis is the Five Fingers’ quality check. Names can die. Combined arms again: Geld’s box, Beastketeer blades, Benimaru’s command, and clowns without the timeshare smile.
Banquet clothes, battlefield mud
Rimuru’s side is still dressing for Walpurgis while this mud is already blood. The split is the title: the signal to begin is not a gong in a hall. It is an army hitting a trap. Clayman will hear it late. Guy’s generation will hear it as data. Shion will hear it as the warm-up act she is not invited to, because her stage is the hall.
Next week the duels get weirder. This week is the pistol. It sounds like orcs and Beastketeers. It looks like a producer losing a field before the curtain.
Rimuru’s side still dressing for Walpurgis while this mud is already blood. Split is the title: signal to begin is not a gong in a hall. It is an army hitting a trap.
Story Analysis
Episode 43 is the field-war open, and it is satisfying because the trap is Geld’s — the Orc Disaster’s people as the terrain that eats Clayman’s march. Beastketeer duels are the character payoff of Season 2’s first episodes. Treyni’s evolution is a weird, good side-flex: dryads as banquet-capable. Dual-stage storytelling (mud vs hall) is the cour’s structure from here to Octagram.
Pacing is prep plus clash-start. Comedy is Ramiris’s party getting a dryad upgrade. World-building: Dryas Doll Dryad as a class, Five Fingers as Clayman’s named officers, trap warfare. Required action turn. Not the peak duel hour. The starting pistol, as advertised.
Field-war open, satisfying because the trap is Geld’s — Orc Disaster’s people as terrain that eats Clayman’s march. Beastketeer duels character payoff of Season 2’s first episodes. Treyni’s evolution weird good side-flex: dryads banquet-capable. Dual-stage mud vs hall is the cour’s structure to Octagram. Prep plus clash-start. Ramiris’s party getting a dryad upgrade comedy. Dryas Doll Dryad as a class, Five Fingers as named officers, trap warfare. Required action turn. Not the peak duel hour. Starting pistol as advertised. Geld’s trap poetic justice. Beastketeers home team premiere paying rent. Treyni’s weird evolution so Tensura I laughed. Good pistol. Analysis is leftover famine as terrain. Rhyme grinning with teeth. Foyer to field. Brandy to battlefield. Personal ledgers on national dirt. Combined arms box blades command. Producer’s soundtrack wrong. Gong is not in a hall. Army hitting a trap. Title honest. Action back. Required open. Dual-stage promise kept. Mud first. Hall later. Pistol. Fire. Structure to the star.
Character Analysis
Treyni as the evolved plus-one. Geld as the trap. Albis versus Yamza as the prestige duel start. Phobio versus Footman/Tear as the shame duel start. Benimaru as conductor. Rimuru as the man still putting on banquet clothes.
Ramiris and Beretta as the fairy bloc. Shion waiting for her room. Suphia in the Beastketeer set. Clayman as the producer hearing the wrong soundtrack. Phobio getting a chance to be more than a Charybdis socket is the character to watch in the mud.
Treyni evolved plus-one. Geld the trap. Albis versus Yamza prestige start. Phobio versus Footman/Tear shame start. Benimaru conductor. Rimuru still putting on banquet clothes. Ramiris and Beretta fairy bloc. Shion waiting for her room. Suphia in the Beastketeer set. Clayman producer hearing the wrong soundtrack. Phobio getting a chance to be more than a Charybdis socket is the character to watch in the mud. Home team. Personal ledgers. National field. Premiere cast paying rent. Famine corps as terrain — Geld as the land. Conductor. Clothes. Waiting secretary. Fairy bloc. Producer late. Dual casts: mud and hall-dressing. Pistol people. Names that can die. Quality check.
World Building
Dryad evolution into a doll-body class that can leave the forest politically. Five Fingers as a named officer system. Trap-field doctrine using orc engineering. Banquet attendance requiring certain body types. Harlequins as fieldable combatants, not only spies.
Two clocks sharing a starting pistol. Eurazania’s dirt as a courtroom of a different kind than Walpurgis. Carrion’s knights as a sovereign military, not Tempest extras. This hour is their war. Tempest is the ally with portals.
Dryad evolution into a doll-body class that can leave the forest politically. Five Fingers as a named officer system. Trap-field doctrine using orc engineering. Banquet attendance requiring certain body/existence types (hence Treyni’s change). Harlequins as fieldable combatants, not only spies. Two clocks sharing a starting pistol. Eurazania’s dirt as a courtroom of a different kind than Walpurgis. Carrion’s knights as a sovereign military, not Tempest extras. Distinction keeps Animal Kingdom from a side quest. This hour their war. Tempest the ally with portals.
Nothing here is later-arc homework. If a name or rule is only teased, it stays a tease.
Animation
Trap-springing army shots, Beastketeer duel opens, Treyni’s evolution glow, clown combat design. 8bit is back in action grammar. TV-scale officer fights, readable. Geld’s trap is the wide shot. Albis/Yamza is the pretty shot. Fine start-of-battle episode. Saves bigger mutations for next week.
Trap-springing army shots, Beastketeer duel opens, Treyni’s evolution glow, clown combat design. Back in action grammar. TV-scale officer fights, readable. Geld’s trap the wide shot. Albis/Yamza the pretty shot. Fine start-of-battle. Saves bigger mutations for next week. Correct budget split.
Kagex animation score for this episode: 8.4 / 10 — peaks vs average cuts, not a sakuga clip ranking.
Music and Voice Acting
Score 8.3. 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
- Treyni changing body class is Jura’s forest getting a seat at a calamity table.
- Geld’s trap is the orc arc’s moral leftover used as terrain.
- Phobio versus the clowns is the Charybdis debt coming due on the sales team.
Best Moments
- The trap closing on an army that expected a harvest.
- Albis taking Yamza as a named problem.
- Treyni getting a body that can walk into Walpurgis.
Pros & Cons
Pros: Specific to “The Signal to Begin the Banquet” — The starting pistol: Geld’s trap, Beastketeer duels, a dryad in banquet form. Action is back. Required open.
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: 8.5 / 10 — The starting pistol: Geld’s trap, Beastketeer duels, a dryad in banquet form. Action is back. Required open.
- Story: 8.5
- Characters: 8.6
- Animation: 8.4
- Music: 8.3
- Enjoyment: 8.6
Geld’s trap is the poetic justice I wanted. Beastketeers clocking in as the home team is the premiere paying rent. Treyni’s weird evolution is so Tensura I laughed. Good pistol.
What to Expect Next
Next week the duels mutate — a dragonewt priest, a doppelganger, and Yamza getting turned into something the forest already hated once.
Next: Season 2 Episode 20 — On This Land Where It All Happened. Watch legally on Crunchyroll.
FAQ
Do I need to watch Season 2 Episode 19?
Yes if you are watching the TV series in order. Skipping “The Signal to Begin the Banquet” leaves a hole later episodes assume you have.
What is the Japanese title?
開宴の合図 — Crunchyroll English title is “The Signal to Begin the Banquet.”
When did it air?
August 17, 2021 in Japan. ~24 minutes. Studio 8bit.
Is this Season 2 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 43 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 19.
Keep exploring
- Tensura anime hub
- Season 1 review
- Overall review
- Previous: Season 2 Episode 18 — The Demon Lords
- Next: Season 2 Episode 20 — On This Land Where It All Happened
- Characters
- Fact and Spoilers
Your turn
Was “The Signal to Begin the Banquet” 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.
