Just as the PE teacher was about to touch the window frame, the Iron Collar snapped shut around his neck.
Immediately afterward, the Iron Collar reshaped itself into a seamless ring without a single opening.
An iron ring was attached to the collar, and a thick iron chain pulled taut against the PE teacher's neck, preventing him from moving another inch.
Zhao Xun secured the other end of the chain to the balcony railing outside the door, then smiled at the PE teacher. "We were having such a nice chat. Why the sudden rush to leave?"
The PE teacher felt all around the collar. Finding no clasp or opening, he tried to break it with brute force, but soon realized that wouldn't work.
He glared at Zhao Xun as he approached and snarled, "You'd better pray you don't fall into my hands during the second round of the chase."
With that, he suddenly clasped his head in both hands and wrenched it clean off.
Blood spurted from his neck, splashing across the floor.
The collar immediately fell from his severed neck.
Without another word, the PE teacher tucked his head under one arm and prepared to leap out of the window.
But how could Zhao Xun stand there doing nothing and let the prey right in front of him escape?
Before the collar could hit the floor, it reshaped itself into a smaller iron ring and clamped tightly around the PE teacher's left ankle.
Half the PE teacher's body was already outside the window, but the ring held his ankle fast, leaving him dangling upside down.
With some difficulty, he turned his head in his hand until he finally saw the iron ring around his ankle.
"Motherfucker..."
Before the PE teacher could say anything else, Zhao Xun had already walked