William knew how useful this dark spirit master's ability was. And he wasn't the only one with such an element that was useful in logistics and useless at real fights. All the folks who got such abilities dreamt about one thing, about going to the frontlines, having the ability to fight their foes and kill them like any proper spirit master.
That was the Achilles heel of such folks, the one thing that William knew would keep haunting him even if he stood by his current master's side, swearing his oath and allegiance to him.
"No way! There is nothing like that!"
"The world is big enough for you to know there must be a way," William laughed, "just think about it. In exchange for working for me, you'll get your dreams fulfilled."
"Aren't you afraid I will turn over you? Trick you to tell me this proclaimed technique then sell you out?"
