He just didn't know whether this passive effect had a time limit or a limit on the number of uses.
If there were no limits at all, and it could passively protect Instructor Wu indefinitely, then physical attacks would never work on him.
At that thought, another dagger suddenly appeared in Zhao Xun's hand.
As Instructor Wu widened his eyes and backed away again to defend himself, Zhao Xun abruptly raised his hand. The blade lying behind Instructor Wu floated into the air and stabbed viciously at his back.
The next second, the blade was sliced in half, and the pieces fell to either side behind Instructor Wu.
Only when Instructor Wu heard the noise did he realize he had just been attacked again.
He instinctively turned around, wanting to see what weapon it was and how it had attacked him without him noticing a thing.
At that very moment, Zhao Xun thrust the dagger in his hand at Instructor Wu again.
Once more, the dagger's blade vanished and fell behind Instructor Wu.
Instructor Wu had neither managed to identify the weapon behind him nor react to the attack in front of him. Anger flared within him.
But Zhao Xun gave Instructor Wu no chance to catch his breath. Almost immediately, he pulled out a cleaver and swung it at Instructor Wu's neck.
At the same time, Zhao Xun controlled the three blade fragments behind Instructor Wu, sending them all at his back.
When he had obtained the Special Ability [Metal Control], he hadn't yet gained the effect that amplified his abilities severalfold. As a result, his control now was about the same as Cowboy's had been: the more metal objects he controlled and the heavier they were, the harder it became to manipulate them freely and precisely.
Fortunately, the