"I guess you did, huh? Well, I didn't expect you to plant it this early though."
It made strategic sense for him to carry out this act ahead of schedule, evading the academy's scrutiny in the process.
In the novel, the character he portrayed was seen escaping on the exact day of the outflow. It was a discrepancy that raised questions about the intricacies of the plot.
Did he return here to activate the bomb later? Or did something else happen for him to return?
Does he have a short mana zone? If so that makes sense considering this guy's mana level was just a bit above average.
He probably can't send his mana away more than 500 meters away.
Mana bombs are typically bombs that explode the moment you send a mana signal with the same frequency as the bomb so it was quite the effective tool used by adventurers, when they wanted to take something big while hiding in the back.
"Y-you… How did you?"