C354 I Still Have Things to Do

The System Interfaces on the System Interface turned gray.

In other words, this thing had a cooldown time. It wasn't something that could be used just because you wanted to.

Even Ji Yun didn't know how long the cooldown was.

This was also the reason why Ji Yun didn't chase after Elder Lee.

The Heaven Defying Divine Sword could only be used once, and could only be used once for three seconds