He didn't even have time to exert any force before Su Tu took him down in an instant.
It's not that Su Tu was unsporting or launched a sneak attack, but rather it demonstrated that Su Tu's physical explosive power in that moment surpassed his own, suppressing him before he could gather his strength.
"Monster, you're a complete monster!"
[You suppressed the Martial Champion Scholar in a wrist wrestling match, Body Strengthening Proficiency +50]
[Strengthen Body (High Tier): 4949/5000]
Truly befitting of the eleventh rank on the Celestial Pride List, the skill level gained from a simple wrist wrestling match with him was far greater than from a fight with an average contender.
"Why isn't a guy like you on the Celestial Pride List? Does your Dao Lineage not have the qualification to apply?"
"If that's the case, I suggest you change your allegiance."
"There will likely be many Dao Lineages and academies looking for you soon; you should find a powerful force to join."
