E12
12. The Final Chapter: At the Grand Merillian
As the hour of Constance's execution approaches, Scarlett finds a crucial document and Cecilia makes her move.
Latest episode
S1 E12 · The Final Chapter: At the Grand Merillian
The Holy Grail of Eris is a mystery and sci-fi & fantasy anime series that premiered on TBS on January 8, 2026. It has 1 season and 12 episodes so far and has ended. The latest episode, Season 1 Episode 12 "The Final Chapter: At the Grand Merillian", aired on March 26, 2026.
Betrayed by her fiancé's lover and sentenced to public execution, Constance Grail, a plain viscount's daughter known for her honesty, faces death—until a mysterious voice offers salvation. Scarlett Castiel, a noblewoman long thought dead, may be her only hope. Together, these unlikely allies uncover a dark conspiracy lurking in the heart of high society, where betrayal, secrets, and power collide.
Last updated
12 episodes · 1 season
2026 · 12 episodes · Last episode: 7 months ago
E12
As the hour of Constance's execution approaches, Scarlett finds a crucial document and Cecilia makes her move.
E11
Constance is jailed on her own testimony and given a sentence of death.
E10
Constance, Scarlett, and Randolph pursue the kidnapped Ulysses and stumble into a shootout.
E9
Scarlett possesses Constance to confront her own father.
E8
Constance, Scarlett, and Randolph discover a letter that reveals Lily's struggle and the truth she uncovered.
E7
Daeg Gallus contrives to murder Aisha before she can reveal the truth and cast suspicion on Abigail.
E6
Both Constance and Randolph uncover fresh clues, but Lily's last message remains shrouded in mystery.
E5
Constance's carriage suffers a shocking attack and an even more shocking rescue.
E4
Constance receives a summons from an investigative committee determined to put her on trial.
E3
Constance and Scarlett follow a tip to a masked ball with a sinister reputation.
E2
The ghostly Scarlett demands that Constance repay her help by avenging her death.
E1
Constance Grail attends a party only to find her fiancé kissing another woman and herself accused of a crime.
The Holy Grail of Eris has ended, so no new episodes are scheduled. The final episode aired on March 26, 2026.
The most recent episode of The Holy Grail of Eris, Season 1 Episode 12 "The Final Chapter: At the Grand Merillian", aired on March 26, 2026.
The Holy Grail of Eris has 1 season with 12 episodes in total.
The Holy Grail of Eris first aired on TBS on January 8, 2026.
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