As far as the outside world knew, Impel Down, located in the Calm Belt and famed as the world's greatest prison, had five floors for holding prisoners.
Each floor was an environment harsh enough to be called hell, and over the years, the bones of countless prisoners who had died with hatred in their hearts had accumulated there.
But in truth, beneath the Fifth Floor was another floor—Floor 5.5—which was unknown to the outside world in every sense.
It was a space even the prison authorities knew nothing about. The person who had opened up Floor 5.5 was Maud, an acquaintance of Mord's and one of the Revolutionary Army's four commanders.
Besides Floor 5.5, there was also the Sixth Floor, where a group of monstrous pirates so vicious that the Government would rather erase them from history were imprisoned.
Because the World Government deliberately concealed the existence of the Sixth Floor from the outside world, everyone knew only that Impel Down had five prison floors.
As a transmigrator, Mord knew all this hidden information like the back of his hand.
His original target had been the monstrous pirates imprisoned in the Infinite Hell on the Sixth Floor, but unfortunately, he did not get his wish.
Handing the prisoners on the Fifth Floor over to him was probably the most the Marines could agree to.
Though it was a pity, the prisoners who could be locked on the Fifth Floor were basically all men with bounties exceeding a hundred million. Their experience and foundations certainly could not be lacking.
However, bounty amounts could not completely represent strength.
For example, right now, when Mord released his Conqueror's Haki, more than fifty of the sixty-odd prisoners in the nearby tower prison collapsed on the spot.
In the end, only a dozen or so