"We do have something to discuss, indeed." Qin Yuyan produced ten formation plates. "These are our sect's homing formation plates. Once you channel spiritual energy into them, they will point toward fellow disciples. We brought ten for you. If we get separated after entering, we can use these to locate one another."
These served the same purpose as the ones Huangfu Yuan had provided, though the ones he had refined were clearly of a higher grade.
"What is the effective range of these plates?"
Chapter 132