Feng Jun's divination result quickly spread, because... it had no value in keeping secret.
Battles between True Lords changed by the moment. It was not as though if you wanted to attack from afar, the other party would necessarily cooperate.
So even if long-range attacks had a slightly higher chance of victory, that was merely a combat strategy, helping cultivators avoid being put at a disadvantage as much as possible.
Yi Jue naturally benefited from receiving this advice, but even if Yuan Zhe learned the news, it would not change his fighting style.
A cultivator's fighting style, especially that of a great power, had to change according to the circumstances. There was no way to decide on a battle plan in advance.
If Yuan Zhe set his mind on it and deliberately chose close combat, the first thing it might disrupt would be his own battle rhythm.
Second, there was another serious issue: Yi Jue was somewhat weaker in close combat... who could guarantee this was not Feng Jun's trap?
Thus, Feng Jun made no effort to hide the result of his divination.
Some True Lords suggested keeping it secret—only fellow members of their own side would make such a suggestion.
But Feng Jun merely smiled indifferently. "It doesn't matter. Spread the news and let Yuan Zhe grow suspicious for a while."
With truth mixed with falsehood and illusion mixed with reality, who said cultivators did not engage in psychological warfare? Any proper great power was an expert in it.
Others could not tell what Feng Jun was truly planning either. Since he seemed to be encouraging the news to spread, then they would spread it.
Some people also guessed that Feng Mountain Lord might be trying to influence Yuan Zhe's state of mind.
True Lords were all people of