"These are all tools made from that stone of yours," Old Mrs. Lu said. "I mixed in a special kind of ore to increase their radioactivity, so they need to be kept in special boxes."
"When used, each tool can release an air blast with a range of about three meters. The increased radioactivity can affect the brain, causing dizziness or unconsciousness, and ordinary tools can't defend against this kind of impact. Brief exposure won't make you sick, but you need to collect them again after using them. If left out in the wild for too long, they'll definitely affect the environment."
There were twelve black spheres in the box. After listening to her instructions, Xu Huo asked, "If that's the case, why did you make them into tools and give them to me?"
A verbal agreement didn't hold anyone to anything.
The old lady leaned back in her chair. "You brought me the ore, and making tools is my job. Tools aren't good or bad; it depends on who's using them. Besides, they're no use to me here. If one day I grow senile and hand them to someone with ill intentions, that would be a real sin."
"I'll take the tools. I'll settle the payment with you in a bit." Xu Huo put the box into his Storage Compartment.
The old lady happened to have some free time, so she took the two children with him to visit her workshop.
"I've put away all the important materials. This is the workroom, so feel free to look around." The old lady turned on the lights and, as she walked over, swept the things on the table aside.
Xu Huo glanced at them and asked in surprise, "Is this a Dungeon Authorization Letter?"
"You've seen one before?" The old lady