"Mentor, what is this...?" Lynch asked calmly.
"Oh, this?" Annabella tossed the crystal stone in her hand, looking rather troubled. "This is the 'garbage' condensed when I used a magic array to clean up the Abyssal Demonic Qi in the Sea of Shattered Stars. It's incredibly troublesome to deal with. If I just throw it away or bury it, the Abyssal Demonic Qi will eventually leak out and turn the surrounding area into a polluted wasteland. I'm currently getting a headache over how to deal with this batch of troublesome burdens."
Lynch's heart stirred. *Mentor actually has no way to deal with Abyssal Demonic Stones?*
But thinking about it carefully, it wasn't too strange. These things were like radioactive materials from his previous life. Without the corresponding technological advancements to process them, they were an extremely tricky source of pollution. However, if they could be processed and utilized, they would become rare treasures.
