But if that was the case, how had Angus Jeffrey entered the secret passage?
Had someone given him the Door Card before activating it?
Just as Professor Sylph was pondering seriously, Angus Jeffrey reached into his Card Case and took out a Magic Spirit Card.
Then, his lips moved as he began to cast the Normal Summoning Technique!
Four seconds later, an insect appeared before him.
The insect was only the size of a palm, but its head was shaped like a cone, and its body was angular and bizarre.
White light emanated from within its body, making its entire form appear translucent.
Moreover, contrary to Angus Jeffrey's deck, it was a Light Attribute Bug Species!
"Flash Bug?"
Professor Sylph immediately called out the insect's name. Her brows then relaxed, as if she had come to a realization.
Even within Demon Race territory, not every creature was of the Dark Attribute.
The Flash Bug was one particularly unusual insect among them.
It was born in places of utter darkness, yet possessed the Light Attribute. It was exceedingly rare and had an extremely special ability.
The moment Professor Sylph saw the insect, she immediately recalled it.
The Flash Bug could ignore any barrier and pass freely in and out of it!
When the Demon Race had invaded Saint Marian Academy, they had relied on Flash Bugs to cross the barrier.
If she had seen a Flash Bug back then, she would probably have gritted her teeth in fury. But now, she was much calmer.
"Does that book, Into the Abyss, even contain methods for breeding Flash Bugs?"
Faced with Professor Sylph's question, Angus Jeffrey instinctively wanted to answer, "Yes." But as soon as he opened his mouth, he suddenly froze.
Following that train of thought, he abruptly realized that he