Grimoire of Zero Episode 6 English Dubbed Episode Title:Thirteen.Episode Description:Zero and Thirteen abruptly stop their fight when they hear a dinner bell. Thirteen leads the trio to the dining hall, revealing that the forced summoning spell transported them inside the palace of the royal capital Plasta. After their meal, Zero and Thirteen discuss that they are both searching for the grimoire that Zero wrote in the caves, since it was stolen by their master who killed all of the other witches who lived there. Disagreeing with Thirteen's views of justice, Albus is offered one night to choose between joining Thirteen or being burned at the stake...