On Earth, "Wang Zhi" had been the foremost Japanese pirate lord, supposedly commanding a hundred thousand pirates. The Ming Court lured him in with the false promise of lifting the maritime ban, captured and executed him, and his vast followers, left without restraint, pillaged everywhere, causing enormous losses of life and property along the southeastern coast.
In the Pirate World, the man bearing the same name had likewise once been one of the world's strongest Great Pirates, and he too had deep ties with Wano Country.
After the Rocks Pirates broke apart, Ochoku returned to his homeland with his many followers, led by six Wano Country samurai. Commanding the enormous fleet the Flower Kingdom had not seen in years, he attacked the borders and pressured the court to "abdicate and yield to the worthy," with truly terrifying momentum.
Aside from Chinjao of the Eight Punches School, the various powerful factions all cherished their own strength and generally chose to wait and see, unwilling to send troops to rescue the monarch. With no confidence in victory, the Flower Kingdom court was forced to ask the World Government for aid.
The World Government knew what the consequences would be if Ochoku took control of the Flower Kingdom, so it immediately dispatched CP0 to assist in battle. CP0's leader, Asu, also offered the Flower Kingdom court a brilliant plan to lure the enemy into a trap.
Ochoku indeed fell for it, but the power of the combined battle formation of him and those six Wano Country samurai far exceeded the Flower Kingdom court's expectations.
Though he had clearly been poisoned by the delayed mixed toxin painstakingly concocted by Asu, and should have either died or suffered a tremendous loss of strength once it took effect, Ochoku temporarily suppressed the poison with a secret