Gathering to become a group
"Of course, you don't have to see me as the central field of how everything worked. What I am trying to build here at this moment, at least, is not just for my harem. I plan to build a community—a Sect.
"We won't be as strong as the four Great Sects, who have their own Transcendent Stage cultivators—yet—but don't worry about that.
"And don't consider accepting this binding as having an obligation to sleep with me. This is a community where we can freely trust each other with no bars attached. In fact, by being in this bind, you have nothing to lose and everything to gain. Let's call it a sect indeed."
And he would also have something exceptional to gain because of it. Not only would he gain a completely trustworthy team of companions, but he would also be able to achieve his own full potential.