As for its function... it's simple, to mimic the techniques and authority abilities he has witnessed.
For example.
Lu Hao's 'Invisible Blade', a technique he wasn't quite adept at and released with utmost slowness. Now, with the 'Illusion Soul', he can mimic it more precisely and quickly.
The specific power and speed depend on his proficiency, the capacity of the spirit within, and... the limit of pain he can endure.
"..."
Chen Lusi slowly raised his hand.
And behind him, the shadow followed suit, raising its hand.
In the air.
An uncatchable blade formed.
What followed was a strong, piercing pain as if the soul itself was being stirred.
Chen Lusi immediately put down his hand, halting the technique, and looked at the shadow that mirrored his actions.
...That's the price.
And this was just a single blade.
Thinking of this, Chen Lusi couldn't help but glance at the phone fallen on the ground, remembering the video he had just seen.
