Zhang Yu was fiddling with the Golden Thread Jade Bi in his hand.
This Dharma Treasure was about the size of an ordinary person's chest. It looked like a flat, circular jade artifact, with a palm-sized hole in the middle.
Its surface was covered in dense golden patterns, like intricate Magical Power Circuits that blanketed the entire jade bi.
As Zhang Yu poured Magical Power into it, the Golden Thread Jade Bi rose into the air.
At the same time, various parameters of the Golden Thread Jade Bi appeared in Zhang Yu's Eye Remains, including Magical Power capacity, output, operating duration, and so on.
"Activate follow mode!"
At Zhang Yu's casual command, dim rays of light emerged from the Golden Thread Jade Bi, already locking onto Zhang Yu before it!
Then the jade bi slowly drifted behind him, hovering quietly behind his head like a halo, moving along with his body!
Beyond follow mode, the Golden Thread Jade Bi also had attack, defense, free-roam, and other modes. All possessed the most basic intelligence and could act according to rules set by Zhang Yu!
"Still, it ultimately isn't as precise as operating it myself!"
With a thought from Zhang Yu, the Golden Thread Jade Bi behind his head released layer upon layer of radiance, like a small sun illuminating the entire dorm room!
However, Zhang Yu merely released a burst of light and did not activate any further functions!
"It would be bad if I damaged something in the dorm. I'll wait until I'm at the construction site to try it."
With that in mind, Zhang Yu separately poured the Magical Power of the Deep Cold Magic Vein and Blazing Sun Magic Vein into the Golden Thread Jade Bi!
He knew that feeding it different Special Magical Powers would create enormous