Synopsis
The fourth season of Tensei Shitara Slime Datta Ken. Demon Lord Rimuru's dream of creating an alliance between humans and monsters takes a step closer to being realized. As Tempest continues to prosper, Granville Rozzo and his granddaughter, Maribel Rozzo, clash with Demon Lord Rimuru over their plan to protect mankind by ruling over them. Meanwhile, in El Dorado, Demon Lord Leon works toward goals of his own. The awakening of a new Hero draws near!
Episodes (16)
16 episodes
EP 01 1. New Days
Tempest is thriving after the success of its festival, but unexpected trouble ha...
EP 02 2. The Dungeon Evolves
Rimuru and his trusted companions discuss ideas for improving the dungeon.
EP 03 3. The Avatar Team Is Formed
Rimuru, Ramiris, Veldora, and Milim work on perfecting their avatars before faci...
EP 04 4. Invitation
The Council of the West deliberates on whether to grant membership to Tempest.
EP 05 5. The First Step
Rimuru attends the meeting that will determine Tempest's membership in the Counc...
EP 06 6. The Council of the West
A list of unreasonable demands from the Council makes Rimuru realize that a deep...
EP 07 7. The Mastermind's Identity
An interrogation of Prince Elric's would-be shooter reveals who's pulling the st...
EP 08 8. The Groundwork of Greed
Glenda reveals all she knows about the Council and the Rozzos, and Rimuru prepar...
EP 09 9. Investigating the Ruins
The investigation of the ancient ruins of Amrita begins.
EP 10 10. The Master of Greed
Rimuru and Mirabel come face-to-face at last in the ancient ruins.
EP 11 11. Milim's Friend
Rimuru helps Milim confront the Chaos Dragon, a corrupted form of the baby drago...
EP 12 12. Tempest Evolves
Rimuru shares his plans for Tempest's future, including a new system of governme...
EP 13 13. New Companions
Ramiris and Veldora are feeling overworked, so they ask Rimuru to find assistant...
EP 14 14. The Black Numbers
Diablo returns with new demon subordinates to add to Tempest's ranks.
EP 15 15. An Unsettling Feeling
As Tempest continues to grow and evolve, the Moderate Harlequin Alliance approac...
EP 16 16. Gran, the Hero of Dawn
Luminus meets with Rimuru to discuss Gran and future plans.