After studying the pill formula for a while, Chen Lin began examining the rusty iron shard again.
According to Bai Yunyue's father, Bai Zhenyu, he had acquired it while traveling in his youth, but he had not mentioned the exact location.
After obtaining it, he discovered that when he connected to it with his spiritual sense, its interior proved to be something like a jade slip, containing a sword technique.
As though he had found a priceless treasure, he devoted himself to comprehending it.
What he had not expected was that after fully understanding its contents, all he gained was a mortal sword technique.
This left him bitterly disappointed, but he mastered the technique nonetheless. During his time in the early Qi Refinement realm, he had even made quite a name for himself with it.
Once he reached the mid Qi Refinement realm, however, it became completely useless.
A mortal sword technique?
Chen Lin was also curious about which cultivator had been bored enough to record a mortal sword technique in such a peculiar vessel.
After all, mortal martial artists had no spiritual sense and could not inscribe information into vessels like jade slips.
He extended his spiritual sense and smoothly entered the iron shard. Sure enough, it stored pictures and text just like a jade slip.
Chen Lin found this astonishing. It was his first time seeing a metal vessel used to store information.
There was not much information inside, and he finished reading it quickly.
Sure enough, it contained a mortal sword technique.
The technique was called the Aurora Sword Technique. It had no fixed moves and emphasized only one word: speed.
According to its description, once mastered to perfection, it could become so fast that an enemy could not even see the sword's shadow.
But it also