Da Di understood that the trap Sun Yixie had set for him was actually a form of "verbal warfare."
The "verbal warfare" of the jianghu wasn't about composing poetry; it was something else...
Take the example of those who collected protection money: when competing for territory, they would first agree with their opponents whether the dispute would be settled by "words" or by force.
If it was to be a physical fight, both sides would arrange a time and place, bring their weapons, and engage in a large-scale brawl—letting fate decide who lived, who fled, and who died. The side that got chased off first was the loser.