Regarding the deal proposed by Jeremy, it was evident that The Mechanical Duke was extremely interested.
If The Mechanical Duke could indeed successfully harness the power possessed by the White Tower, then he naturally could establish a contract with Jeremy that would be utterly unbreakable.
Jeremy also observed that The Mechanical Duke was very intrigued by the deal he had put forward, so he proceeded to elaborate.
"I am not sure how important you are to your master, thus I am uncertain whether you are capable of wielding your master's power."
The reason Jeremy made this statement was to employ a tactic of provocation, hoping to compel The Mechanical Duke into agreeing to the deal.
Jeremy's strategy indeed met with success.
After hearing Jeremy's words, The Mechanical Duke responded angrily.