The person opposite her laughed mirthlessly. His eyes brightened, as if he had just found a treasure. "This plane's defense is indeed very strong. We had to do so much preparation, but every time we got here, our efforts would be wasted. It's impressive enough that a naturally low-quality plane like this can hold itself so well. If we were new to invading planes, all of you might have escaped this outcome."
"…" In other words, this was not their first time invading a plane?
"Your assistant is particularly shocking! His powers far surpass that of other planes' managers. It took us so long to control his consciousness. It's a pity that he has not fully grasped his power. That was our greatest tool!
"…" Tool?