East Crow Island lay in the first half of the Grand Line, along the route closer to West Blue.
It was a small island with no national affiliation.
It had long paid protection fees to the Marines in exchange for their protection.
There were quite a few islands similar to East Crow Island.
As for the Marine officers stationed at Marine Headquarters, their patrol missions involved sailing to these islands to collect protection fees.
They also cracked down on pirates who threatened islands that had paid those fees.
"Zehahaha! I never thought the Marines would be nothing but a bunch of mediocrities. Taste the power of a future emperor!" An unrestrained laugh suddenly rang out across the docks.
The air around them seemed to freeze in an instant.
Before anyone could react, Teach, gripping a Marine rear admiral in one hand, laughed mockingly as he smashed him down toward the dock below.
Dark Tide Impact!
Boom!
Pitch-black tidal waves crashed toward the ground below with overwhelming force.
The immense impact made the Marine rear admiral caught in the attack cough up a mouthful of blood.
The rocky ground beneath him seemed unable to bear the strain any longer, shattering apart like a spiderweb.
The black Dark Tide shockwave swept outward like a hurricane.
Bang! Bang! Bang!
Every Marine stationed nearby was sent flying like a cannonball in its path.
"Rear Admiral Hasse..."
"Stop shouting! Quickly notify the vice admiral stationed nearby and have him come provide support..."
"This Blackbeard Teach isn't some ordinary pirate from the Whitebeard Pirates like the rumors said..."
"..."
Cries of alarm rang out one after another.
The fallen Marine soldiers scrambled to their feet in panic.
At first, Hasse had thought he was merely an ordinary pirate under the Whitebeard Pirates.
He had never expected