Mountain and River Map!
The Crow took a scroll from his storage ring. It had a black shaft and a blue-green surface. He slowly unfurled it before Lin Bai, revealing a scene of magnificent mountains and rivers.
Lin Bai stared at it and was astonished to find that the mountain depicted on the scroll was precisely the one where he and the Crow were currently staying. Although Lin Bai did not know where this mountain actually was, he could sense that it was indeed the mountain beneath their feet.
"What is this..." Lin Bai asked the Crow doubtfully.
"Impressive, right? This is a treasure your grandpa spent a great deal of time and effort obtaining—seems like I brought it out of some perilous place." The Crow beamed happily and presented it to Lin Bai as though showing off a prized possession, chattering on and on. "I don't actually know its true name. After it fell into my hands, I named it the Mountain and Rivers Map."
"This is an incredible treasure. Your grandpa has escaped death countless times thanks entirely to it!"
Lin Bai asked, "What makes it so strange?"
The Crow smiled. "The Mountain and Rivers Map can reflect the appearance of the mountains and rivers within a radius of fifty thousand kilometers. In other words, with the two of us at the center, the terrain shown on the Mountain and Rivers Map is the terrain within that radius. You can see any mountain or forest within fifty thousand kilometers on the Mountain and Rivers Map!"
"Of course, it also possesses tremendous power! Within any area covered by the Mountain and Rivers Map, so long as the controller wishes, they can make any cultivator in that area drop an entire realm in cultivation."
"In other words, if you hold