That Time I Got Reincarnated as a Slime S4E7 — The Mastermind's Identity
8.2
That Time I Got Reincarnated as a Slime•Season 4•Episode 7

The Mastermind's Identity

8.2/10 · 1,967 votesMay 22, 202624 min

Ranked #13 of 24 in Season 4•−0.1 vs season avg

Discussion

An interrogation of Prince Elric's would-be shooter reveals who's pulling the strings behind the Council.

Previous episodeE6 · The Council of the WestNext episodeE8 · The Groundwork of Greed
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons4

All1234

Season 4 Episodes24

New Days stillE1 7.7

New Days

The Dungeon Evolves stillE2 7.5

The Dungeon Evolves

The Avatar Team Is Formed stillE3 7.7

The Avatar Team Is Formed

Invitation stillE4 7.5

Invitation

The First Step stillE5 8.1

The First Step

The Council of the West stillE6 8.6

The Council of the West

The Mastermind's Identity stillE7 8.2Now viewing

The Mastermind's Identity

The Groundwork of Greed stillE8 7.7

The Groundwork of Greed

Investigating the Ruins stillE9 8.1

Investigating the Ruins

The Master of Greed stillE10 8.9

The Master of Greed

Milim's Friend stillE11 8.7

Milim's Friend

Tempest Evolves stillE12 7.8

Tempest Evolves

New Companions stillE13 8.0

New Companions

The Black Numbers stillE14 8.8

The Black Numbers

An Unsettling Feeling stillE15 7.7

An Unsettling Feeling

Gran, the Hero of Dawn stillE16 7.7

Gran, the Hero of Dawn

Lubelius, the Point of Convergence stillE17 8.5

Lubelius, the Point of Convergence

Turbulence in the West stillE18 8.9

Turbulence in the West

Death and Loss stillE19 9.0

Death and Loss

Chronoa the Hero (1) stillE20 9.1

Chronoa the Hero (1)

Chronoa the Hero (2) stillE21 9.1

Chronoa the Hero (2)

Where the Soul Resides stillE22 9.0

Where the Soul Resides

Granville's Hope stillE23 8.8

Granville's Hope

The Hero Awakens stillE24 8.7

The Hero Awakens

Cast10

Miho Okasaki

Miho Okasaki

Rimuru (voice)

Tomoaki Maeno

Tomoaki Maeno

Veldora (voice)

Takuya Eguchi

Takuya Eguchi

Souei (voice)

Hochu Otsuka

Hochu Otsuka

Hakurou (voice)

Asuna Tomari

Asuna Tomari

Gobta (voice)

Chikahiro Kobayashi

Chikahiro Kobayashi

Ranga (voice)

Jun Fukushima

Jun Fukushima

Gabiru (voice)

Rie Tanaka

Rie Tanaka

Trainie (voice)

Rina Hidaka

Rina Hidaka

Milim (voice)

Anzu Haruno

Anzu Haruno

Rimiris (voice)

Discussion

0 comments

Join the conversation

Share your take and reply to other fans.

No comments yet

Be the first to share your thoughts on this episode.

Episode Summary

"The Mastermind's Identity" is episode 7 of That Time I Got Reincarnated as a Slime season 4. It scored 8.2/10 from 1,967 votes, ranking #13 of 24 episodes this season (season average 8.3). It aired on May 22, 2026.

Next: E8 · The Groundwork of GreedBest of Season 4