After Bi Bi finished muttering, she raised her head and brows, her eyes bright. "Of course I understood. It's very simple. After saying so much, aren't you just trying to say that this thing you made... um... is very sturdy and hard?"
In reality, that was the only part you understood, wasn't it... Richard could not help grumbling inwardly. But then again, that really is the key point.
"Yes." Richard nodded without denying it. "It is indeed very sturdy and hard."
"How sturdy? How hard?" Bi Bi asked curiously.
"Far stronger than you imagine."
"Then... can I try it?"
"Hmm?"
"Try it." Bi Bi made a mock striking motion.
"Go ahead." Richard sighed softly.
"Alright! You agreed to this yourself, so don't go back on your word like before. And if I break it, you can't make me pay for it either." Bi Bi turned and left. A few minutes later, she returned carrying a pile of things—wood, stones, iron rods, and all kinds of miscellaneous junk from who knew where.
"I'm starting!" Bi Bi said, looking at Richard.
Richard exhaled lightly and gestured for her to proceed.
Bi Bi did not stand on ceremony. She picked up a piece of wood and swung it hard at the barrier Richard had created, which hovered in midair.
Slap!
With a sharp sound, Bi Bi put considerable force into it. The wood was instantly flattened, but the barrier was undamaged, without even a ripple.
Bi Bi blinked at it, not surprised. She had already guessed this outcome; otherwise, she would not have brought so many things. The next moment, she tossed aside the wood without a word, switched to a stone, and struck the barrier again.
Crash!
This time, Bi Bi used even more force. The stone shattered directly into chips, but