They intimidated the passengers into voluntarily leaving the ship by using the Slave Hunting Team.
Once the small boats had left Purgatory's Son's merchant ship, those people who were then captured by Devil Lords like the Duke of Steel could no longer be considered Purgatory's Son's responsibility.
And those who truly remained on the board were, in fact, spared the miserable reality of becoming slaves.
This is the devil.
They seemingly value contracts on the surface, respecting the spirit of the agreement, but in the shadows, they're masters of making rules and playing with loopholes.
"But the Duke of Steel, Necromancer Bain, is quite an interesting character..."
Matthew knew not much about this one of the three magnates of Barthor Purgatory.
Mainly because the Alliance had done far too little homework on the outer planes.
While reviewing those materials, Matthew found a significant portion of them—and remarkably up-to-date at that—actually came from Margaret's summaries.