A look into Grisha's memories shows Eren the many secrets his father was hiding, including one which led to his mother's demise.
I've met you before...
...التقيت بك من قبل
Wir sind uns schon mal begegnet.
Te conozco. Te vi cuando era niño.
Te conozco. Te vi cuando era niño.
On s’est déjà rencontrés
tous les deux.
Noi due ci siamo già incontrati...
quando ero un bambino.
Eu já me encontrei com você.
Я с тобой уже встречался.