Vivian hung her head low, completely unresponsive.
"Vivian, Vivian." Lina called out loudly twice. Seeing that Vivian still didn't react, she couldn't help but impatiently pick up a novel laying on the side, hitting Vivian's blue soft hat on top of her head repeatedly with it: "Dummy, snap out of it."
"Ah?" Vivian covered her head in annoyance and said, "Dummy Lina, why did you hit me?"
"What on earth are you thinking about?" Lina said in annoyance.
"The hazards of constructing composite magic through derived mana inequalities with directional equations." Vivian answered earnestly, "And the results of the reaction catalyzed by phosphorus stone powder when those spores are in a high-magic environment."
"I didn't really want to know the answer, dummy." Lina whined, covering her eyes in despair, "Forget it, let me ask you again, these people might have died from toxins, illusion magic, or mental magic, can you detect that?"
