As Alex's sword slammed onto the young man's head, the young man suddenly reacted, twisting his head at the last moment.
The sword passed through empty space, while the young man himself jumped backward to get away from where Alex had been.
Alex watched in clear awe, unable to understand how the young man had dodged. His attack should have landed, considering his current invisibility. The young man could not have seen his attack. And yet, he had clearly dodged.
How?
Alex stared at the young man, whose face was full of confusion. He looked around, seemingly searching for something.
Alex jumped right back, trying to attack him again, this time from a blind spot. And as his attack came close, the young man still managed to dodge it at the last moment.
The young man moved further away, this time crying out loud, "Brother Jianyu! He's invisible."