Chapter 35: Because you don't know...

"If you became that strong, you could do much more than just travel between two worlds. However, that day is still too far for you. It's not even certain if you can survive to see that day."

As the unknown being finished answering, the effect of the Question Voucher ended. He went silent, not speaking for quite some time.

There was only silence in the room.

Either kill all those who could threaten you, or become so strong that no one could threaten you. Those were the only two methods for Eren to return to his world.

Unfortunately, he knew that both those methods were way out of his reach at the moment.

He didn't know who the other three people from earth transmigrated as. But he was certain they couldn't be weaker than him.

He was inside the body of a person who was even weaker than an ordinary person in this world. And he was stuck as a spy.