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With the confrontation between monsters and saints at an end,That Time I Got Reincarnated as a Slimeepisode 11 moved on to reconciliation and the negotiation of terms of peace. Episode 12 promises a festival in the works, celebrating Rimuru’s acceptance as a Demon Lord and the newfound respect that the nation of Tempest has earned.
Rimuru continues his streak of winning over the leaders of rival nations with his negotiations withDemon Lord Luminus Valentine, Hinata Sakaguchi, and the cloistered emperor Louis Valentine. These leaders of Lubelius were surprisingly apologetic about the incident with the Seven Days Clergy, and together they worked out some potential suspects as to who might have been the mastermind behind their actions. Near the top of the list was Yuuki Kagurazaka, a fellow otherworlder and leader of the Free Guild–someone who definitely was involved in this in some capacity.

When Do New Episodes of Slime Release?
Animated by Eight Bit, Based on the Light Novels by Fuse
New episodes ofReincarnated as a Slimedebut on Crunchyroll on Fridays, the same day that they air in Japan. As a result, fans can expectseason 3, episode 12 will debut on August 03, 2025, at 8:30 AM Pacific Time (11:30 AM Eastern Time).It’s important to note that because of this quick turnaround, new episodes will initially only be available in Japanese with subtitles. The English dub ofThat Time I Got Reincarnated as a Slimeseason 3 is only two episodes behind the subbed release, so fans can expect the dubbed version of episode 10 on July 10, 2025 also.
What Happened in That Time I Got Reincarnated as a Slime Season 3, Episode 11?
Negotiating Peace Between the Holy Empire and Tempest
Episode 11 ofThat Time I Got Reincarnated as a Slime’s third season saw Rimuru and his most trusted advisors sitting down with the leadership of the Holy Empire of Lubelius, hoping to hash out exactly what happens now that their fighting has drawn to a close. Rimuru managed to get them to not only begin diplomatic relations with Tempest, but also to recognize the Armed Nation of Dwargon as a potential ally, treating Dwarves more like humans. to help the Empire save some face, Rimuru also agreed to state that his battle with Hinata ended in a draw.
Aside from the peace meeting, which ended with Rimuru getting drunk alongside Demon Lord Valentine and saying a little more than he ought to, there was quite a lot of further scheming going on in this episode. The episode opened with Rozzo speaking to the Eastern Merchant, as each blamed the other for the failure of their plan to set Lubelius against Rimuru and get Hinata killed. That same Eastern Merchant paid a visit to Yuuki Kagurazaka before leaving back for his home country, agreeing to send a new meddler by the name of Misha in his place. Yuuki was also revealed to be working with another Demon Lord, Kazalim, AKA Kagali.

That Time I Got Reincarnated as a Slime Season 3, Episode 12 Focuses on Festival Preparations
Rimuru Finally Gets to Celebrate His Ascension to Demon Lord
Season 3, episode 12 ofThat Time I Got Reincarnated as a Slimeis entitled “Festival Preparations.” Fans may remember from back at the beginning of the season that Rimuru was intending to throw a festival to welcome those who’ve come to congratulate him onbecoming a full-fledged Demon Lord. With the fighting in the past now, it seems that the time for that festival has finally arrived, and the full efforts of the nation of Tempest will be put towards this goal.
Based on chapter 102 of the manga, fans can expect to see Rimuru approaching some allies and business partners about helping to establish this upcoming festival, such as Myourmiles. The story may also check in with King Gazel of the Armed Nation of Dwargon, who will react in a surprising way to the news of Lubelius’s overture. Festival invitations will reach King Gazel among many other notable figures, meaning that Rimuru’s big founding festival is likely to have some of the most important people on the continent in attendance.

As peaceful times return to the land of Tempest, things are sure to slow down inThat Time I Got Reincarnated as a Slime, at least for a little while. Don’t worry, though–even the upcoming festival is sure to feature a little action, as Rimuru can’t help but include a battle tournament in the mix.
That Time I Got Reincarnated as a Slime
Cast
That Time I Got Reincarnated as a Slime is an action-adventure isekai anime based on the original novels written by Fuse. Living a standard life with no actual forward trajectory, Satoru Mikami’s humdrum life is thrown into chaos when he is stabbed to death during a daily walk. However, Satoru’s life is spared when he is reborn into the body of an all-powerful slime in a fantasy world where he gets a second chance at living a more fulfilling - albeit bizarre - life.
