Grancrest Senki Episode 18 English Subbed Episode Title:Leader.Episode Description:After accepting leadership of the Altirk Treaty, Theo declares their split from the Union in order to strike a balance between them and the Alliance, though they will still cooperate with the Union. After a brief celebration, Theo asks Siluca to be his queen when he returns to his homeland during a private moment. She accepts, but asks that he keep it in secret for the time being. Meanwhile, news of Theo's assumption of the leadership of the Treaty reach Marrine....