In his previous life, during the great war between the Human Race and the monsters, not all human elites fought for their own kind. Many families and factions betrayed humanity, aligning themselves with the Abyssal Demon Realm to become the monsters' lackeys.
The James Family, backing The World Guild, was one of them.
In the past, the James Family had been among the first to betray the Human Race. Their treachery led to a massacre, where hundreds of thousands of human players were surrounded and slaughtered by monsters due to the information they leaked to the Abyssal Demon Realm.
It wasn't until much later that their betrayal was exposed, but by then, the James Family had escaped with their wealth, thanks to the protection of the monsters, fleeing to the Abyssal Demon Realm.
Before Luca's rebirth, these traitors were still serving the monsters.
It causing countless deaths over the years.