...
Research had shown...
The younger the combatants, the more likely unorthodox fighting techniques would appear. They would bite ears, stomp on toes...
It was common for a fight between two five-year-olds to involve hair pulling. However, you would not expect that in a fight between two men in their twenties.
Their preferred method of fighting was a punch to the temples.
When one was even older, they would only strike when the moment was right. They focused on technique and opportunities.
Canyang...
Being an old demon with eons of experience, he would never think that his opponent would resort to such despicable techniques.
As such, he had not thought of defending some of the more sensitive areas.
That being said, being Canyang, he had great hearing and superhuman reflexes.
Fang Zhengzhi's attack would not succeed.
But it was enough to make Canyang break a sweat.