That Time I Got Reincarnated as a Slime

Rimuru leaves his teaching position and begins negotiations to establish a diplomatic relationship with the Kingdom of Eurazania.

Tempest and Eurazania establish trade routes and begin exchanging technologies; Rimuru visits Gazel in the Kingdom of Dwargon, unaware that Clayman is preparing another scheme.

After meeting with King Dwargon and giving a speech to the people, Rimuru slips away from Shuna and Shion's sight.

Tempest prepares a feast in celebration of Rimuru's return home; the king of Falmuth, who sees Tempest as a nuisance, conspires with the Western Holy Church.

Following Clayman's orders, Myulan ignores the words of Youm and Grucius; Benimaru tries to contact Rimuru, who still hasn't returned.

Rimuru is attacked by one of Shizu's former students; Shion and Hakurou are backed into a corner by Shogo and Kyoya.

Rimuru faces danger in his battle with Hinata; racing back to Tempest, he finds the city up in smoke; Rimuru questions Myulan.

Rimuru learns the plans of the Kingdom of Falmuth; as he mourns his losses, he hears the unexpected words of Eren.

Rimuru reveals his past as a human to the others, and they begin a plan to deal with enemy forces.

The battle for revenge begins; Benimaru and his trusted companions carry out their respective missions; Hakurou and his party face Shogo and Kyoya once again; Rimuru's fury rains down upon the army from Falmuth.

Rimuru uses the souls of the Falmuth army to summon the Primordial Demon; he finishes his evolution and gains new abilities.

Rimuru recovers from his transformation and conscripts the aid of The Primordial Demon to become his subordinate.

After a meeting, Rimuru makes a big announcement; King Gazel, Fuse, and Elalude have a serious talk that will decide the fate of Tempest.

As prominent figures from several nations assemble in Tempest for a meeting, Laplace and his companions formulate a plan centered around Clayman.

Rimuru and his companions shift their focus to their imminent confrontation with Clayman.

Ramiris is summoned away from the assembly to meet with Clayman and the other demon lords.

Rimuru concocts a risky plan to deal with Clayman and his army.

Satoru, an ordinary office worker, is murdered by a criminal in the street; his story should have ended there, but he suddenly finds himself reincarnated in another world as a slime.

The Walpurgis Banquet is around the corner; Clayman's forces in Eurazania run into serious trouble.

Yamza's cunning does not allow him to resist Albis' power, and he is quickly defeated; his opponent lets him live in exchange for his surrender.

Shuna, Souei and Hakurou are confronted by Wight King Adalman, who currently guards Clayman's castle.

Clayman attempts to turn the other Demon Lords against Rimuru, which leads to an all-out brawl during the banquet.

Clayman and his pawns stand no chance against Rimuru and his allies; on the brink of death, Clayman uses the souls of everyone he has killed as energy for his awakening.

"The Ten Great Demon Lords" end up turning into the "Octagram" or "The Eight-Star Demon Lords" after a dramatic turn of events.