We could analyze it from the perspective of necessity. If they could prevent me from hearing the clock ticking, or from seeing the reddish-brown rust, then the true enemy in this movie—the entity that granted power to Lin Zheng—would have no need to let me see anything. If I couldn't see, I wouldn't use the special props.
If I hadn't used the special props, my situation would be identical to Cangyi's and the others. I would be entirely unaware of what is happening now, and everything would seem as though it hadn't occurred at all. Thus, there must be a change this time.
Since it's come to this, the method Lin Zheng used to secure his championship is becoming increasingly clear. To Cangyi and the others, it all occurred in an instant, like the time I traveled from my home to Cangyi's. It may have felt like a long time for me, but for Cangyi, it was shorter than the blink of an eye.
With these thoughts in mind, Hawkeye looked at the door he had opened himself.