Capítulo 119: Returning to academy (2)

'Fuck it!'

Eren stood in Professor Joshua's cluttered office, his mind a whirlwind of conflicting thoughts and emotions. 

The news of the upcoming midterm exams, coupled with the realization that his interference had altered the course of events, weighed heavily on his shoulders. 

'My actions have altered the future very much'

Butterfly effect, a theory which says that the world is deeply interconnected, such that one small occurrence can influence a much larger complex system.

To explain in simple terms, a small action of someone or something in one end of the world could affect the life of another at another end of the world. In such a world, the actions of Eren who knew the future continued to change the course of the future events.