Duke now owned three Level 1 Peak slave creatures. If his Spiritual Power hadn't increased lately, there wouldn't have been much space left for other slave creatures.
He wasn't planning to allocate too many slave creature slots to ordinary players; he only needed to sign Slave Contracts with players like Robert, who had power and connections.
In reality, Robert was a second-generation member of a financial conglomerate; the people under him played various games and were no different from company employees.
Before Duke left last time, he had Robert establish the player guild Star Embers, with its core members being people under Robert's command.
Duke didn't need to sign Master-Servant Contracts with these ordinary players, only with Robert, and then manage these players through him.
To control a large number of slave creatures, one usually needs a specialized Witchcraft Artifact as an intermediary.
