Deep beneath the sea, nine coated ships floated around Impel Down.
At the Going Merry's bow, the main cannon beneath the ram's head extended section by section, poking through the transparent coating. Its barrel aimed straight at the wall below.
"Cola supply complete. Beginning the firing countdown!"
In the cramped control room, Franky grinned, his trembling hand hovering over a red button on the control panel.
This was the debut of his prized weapon, and he could barely contain his excitement!
"Three..."
"Two..."
"One, fire!!"
Click!
With a loud shout, he slammed his palm down on the firing button!
The power system in the ship's lower-deck hold sprang into action, forcing a huge amount of gaseous energy into the cannon!
As the raging energy gathered and built, the cannon's barrel outside looked ready to burst!
BOOM!!!
A powerful blast erupted in an instant! It churned the surrounding seawater into a violent current, tore through the space between them, and blasted a hole in Impel Down's thick wall!
"Su--per!!"
Franky shouted excitedly, raising his two massive arms and clapping them overhead. "The opening's less than ten meters across. I guess this is what you'd expect from Impel Down—but it'll do."
He made a few more adjustments, and a hatch opened in the ship's side, pushing a shark-shaped submarine through the coating.
"A submarine... This thing really scares me."
Brook sat in the Shark Submerge's cockpit, fidgeting as he looked around.
He carefully piloted it through the seawater pouring into Impel Down, reassuring himself as he went:
"But I'll overcome my fear for everyone's sake, even though I'm a skeleton and don't have a heart. Yohohoho~~."
Inside Impel Down, on the sixth level—the Eternal Hell.
The dim dungeon shook violently as if hit by an earthquake. The wall suddenly exploded, sending countless