In "Nanatsu no Maken ga Shihai suru - Episode 6" titled "Arise," the story revolves around intense confrontations and revelations.

In this episode, we are introduced to a character named Snake-Eye Miligan, who possesses a powerful eye feared by many. As events unfold, we witness a series of magical duels. Miligan’s spells, particularly "Tonitrus" and "Flamme," are portrayed as terrifying. However, she faces a formidable opponent in Nanao, who surprises everyone with her swordsmanship and ability to deflect spells with her katana. Nanao’s blade becomes the focal point of the battle, as it is revealed that the katana is an extension of her body.

At the climax of the duel, Nanao unveils a unique ability—a magical blade, a technique that surpasses the speed of light. This magical blade does not align with any of the six known magical blades, hinting at the existence of a seventh, unknown magical blade. Nanao emerges victorious from the duel.

After the battle, Nanao and her companion Oliver reflect together on their victory and the challenges they faced. Oliver is moved by Nanao’s strength and determination.

However, the episode takes a dark turn as another character, known for his hatred and thirst for vengeance, confronts Darius Grenville. He seeks revenge for the pain Darius inflicted on his mother. He tortures Darius with a pain-inducing spell, forcing him to endure the same suffering he once caused. The relentless torment continues until Darius begs for it to end, marking a grim conclusion to their confrontation.

The scene then shifts to an assembly where Noll is depicted as a leader, surrounded by loyal vassals. They pledge their allegiance to him and vow to kill all who betrayed and murdered a certain individual. A list of names is read out, identifying their targets: Vanessa Aldiss, Frances Gilchrist, Enrico Forghieri, Demitrio Aristides, Baldia Muwezicamili, and Esmeralda, the director of Kimberly.

The teaser for the next episode hints at further confrontations and is titled "Reversi."