At an abandoned quarry on the outskirts of Houston.
Ye Yuan and the middle-aged man had been fighting here for over an hour.
At that moment, Ye Yuan was on the offensive.
Yet whether it was the sweat seeping from his forehead or his continuous roars,
both proved that Ye Yuan was already going all out.
Now looking at the defending middle-aged man.
Although he appeared somewhat passive,
both his relaxed expression
and his airtight defense with every move
proved that he still had strength to spare.
It could be said that this battle, which had lasted more than an hour,
was the most exhilarating and most difficult fight Ye Yuan had ever experienced.
Neither the speed nor the strength he had once been so proud of
had been of much use against the middle-aged man's defense.
What shocked Ye Yuan most was his opponent's endurance.
This was fucking inhuman.
After an hour of all-out combat, the other man looked as though nothing had happened.
Ye Yuan even fully believed
that this guy could keep it up for several more hours.
But what about himself?
At his current rate of physical exhaustion,
he could maintain such intense attacks
for half an hour at most.
After half an hour, his stamina would decline drastically.
If it truly came to that,
even Ye Yuan did not dare imagine what would happen.
It was the first time he had felt apprehension in a one-on-one fight.
His opponent's physical endurance had reached an unimaginable level.
If anyone had been there, they would have discovered
that the way the two fought was nothing like the graceful, freewheeling battles seen in movies and television dramas.
Every punch they threw targeted the other's vital points.
One move alone could take the other's life.
Yet in such a