Wu Heng's eyes widened a bit.
Suddenly, he remembered something mentioned in A Brief History of Pirates.
The Pirate King emerged, uniting the pirates and ceasing their internal strife to reclaim their own territories.
And with the reappearance of the blank envelopes, even those who didn't know the legend of the Pirate King were driven to action by the letters' accurate predictions of merchant ship schedules.
Upon further thought.
Back then, the Demon's Hand had ambushed him and the members of the association on their pirate ship.
He didn't quite understand why, with the strength of the Demon's Hand Pirate Group, plus the other five level 15 leaders' pirate groups.
His bounty wouldn't be enough to split between them, so why were they still so determined to kill him.
Now, it seems, it wasn't necessarily about the bounty.
More so, it was about acting on the information in the letters.
"So, I suspect the old pirate gangs know some inside information," Philippa continued.