A Business Transaction [3].

Once Sebastian placed his assistant in a place that was safe enough which at this moment was the middle of the room, and stacked compact mechanical shields around her to protect her, he finally went to work.

His unique skill was already activated, so he didn't need to activate it again to use it, he simply needed to create magic manifestations when needed.

At this moment, the incentive threw by the notorious Dwarf Merchant already sank deep inside the dwarves' heads so much that they lost their rationality, they no longer cared about their lives just for that promotion opportunity. 

All they cared for at this moment was throwing themselves at Sebastian and hoping that one of them was lucky enough to succeed and to get the ultimate prize.