@feha
You know, when you think about it, isn't Kai the villain of this world from the other races' point of view? In his world, every single member of the non-human races was sealed in eternal prisons, and now he wants to make that happen in this world too. Even if I were a good-natured member of the other races, I'd probably say: "fuck you, I won't let you put me in that creepy pyramid".
That said, given Vanessa's words in the last chapter, I suspect that it's more complicated. And I wouldn't be surprised if Kai's own reality was also an altered one.