The one manipulating Ocoho was Mordred, but Mordred claims that Queen Boudica herself is a traitor with connections to a shady organization called the Faithful of the Hermit. Ocoho is left unsure what she should believe, but Seth's advice helps her make a decision. On the day of the ordination ceremony, Ocoho exposes the truth and questions Queen Boudica in front of everyone, declaring that some of the knights are traitors.
You're suggesting 
that we should wage war?
تقترح أنّ علينا شنّ حرب؟
Wir sollen also in den Krieg ziehen?
¿Sugiere que vayamos a la guerra?
¿Sugieres que vayamos a la guerra?
Vous voulez
qu’on déclenche une guerre ?
Ci stai suggerendo di cominciare una guerra?
Está sugerindo que
iniciemos uma guerra?
Войну хотите развязать.