The reason he did not use a person as a test target was because Zhou Yi had no idea what kind of effect this skill would have.
The facts proved that Zhou Yi's decision had been correct.
After a sound like a sonic boom rang out, some time passed—
"I didn't expect running out of mana to feel like this..."
Zhou Yi muttered, leaving behind a trash can pierced through with two extra holes, along with the mess he had made by sprinting so quickly. Seeing no one around, he left the area.
It had been a long time since he had experienced the feeling of emptiness. Yet just now, that Backstab skill, which had consumed half of his remaining mana in a single use, had successfully made him feel it again.
It was like how an ordinary person would feel upon waking up after going seven times in one night... assuming he could still wake up.
Fortunately, that feeling was only caused by the lack of mana. After Zhou Yi rested for about a minute and waited for his body to absorb and recover some mana from the natural environment, the feeling disappeared.
Such enormous consumption naturally came with a remarkable effect.
The instant he activated the skill, Zhou Yi entered an extreme state. At a speed so fast that even he had nearly failed to react, he moved behind the chosen trash can and instinctively performed a Backstab!
The entire process had been so brief that Zhou Yi believed that if he had been facing that attack himself, he would have had no way to react in time to dodge or defend against it!
Zhou Yi had not held any weapon at the time, but when he made the stabbing motion, an energy Hidden Blade naturally appeared in