A look into Grisha's memories shows Eren the many secrets his father was hiding, including one which led to his mother's demise.
Answer me! Who is the Owl?!
!أجبني! من هو البومة؟
Antworte!
¡Responde! ¿Quién es el Búho?
¡Responde! ¿Quién es el Búho?
Réponds ! Qui est la Chouette ?
Rispondi! Chi è il Gufo?
Responda!
Отвечай, кто такой Филин!