Why YMIR gave power to Eren?
Why YMIR gave power to Eren? Ymir needed them because she was only a child who was the victim of terrible abuse. She needed Eren to help her free up all her pent up anger at the world because of what she experienced. She needed someone that understood her and could relate to what she went through.
Is Eren the owl?
Eren Kruger (エレン・クルーガー Eren Kurūgā?) was an Eldian spy posing as a Marleyan officer in the Marley Public Security. He founded the Restorationists, and used the pseudonym the Owl (フクロウ Fukurō?) to communicate. Secretly, he possessed the power of the Attack Titan.
Can Eren go back in time?
As much as everyone likes the concept of time travel in anime (Tokyo Revengers, Steins Gate, Erased, Re: Zero) Eren did not really go back in time. Instead, he transcended through time by receiving memories from future inheritors of the Attack Titan.
Did Eren control the smiling Titan?
This is all revealed in Chapter 139 during Eren and Armin’s final conversation. Eren reveals that he manipulated the Smiling Titan (Dina Yeager) to kill his own mother in order to save the life of Bertholdt.