Board Thread:Manga/@comment-30064439-20161113032209/@comment-29463491-20180913141020

Eren start acting on his own 10 months before the battle at Marley, that just increase the probability of him to be the daddy. Anything that Yelena told him must have made him change his mind and make him ruthless. All for the sake of Paradis...

I don't know who is the daddy but I'm 100% sure that Eren has to do something with it.