A sinister gleam briefly danced in Eren's eyes as he regarded this extracted Mana Essence.
However, he swiftly reined in his desires, ensuring they did not manifest outwardly.
Since acquiring all the Seven Sins Marks, Eren felt like his emotions had been amplified to a certain degree. This made him more adept at using intent-based magic. Yet, it also meant that his emotions could surface inadvertently.
Eren had no intention of following Aleph's path, discarding his emotions. Nor did he want them to subdue his will and dictate his actions.
He had chosen to wield the powers granted by the Sin Series Marks in his own unique way, without imposing limitations on his journey.
'My emotions won't control me or my actions. I'll use them to strengthen my convictions in my actions. Let's see what the old hag does before I make any further decisions.'