"No," she corrects him, and she finds a cold smirk finally. "I have a new sailor senshi for my prey."

There is no end of loneliness here. There is no friendship; there never was. She's bothered by the sign in the sky because she doesn't want to hunt down some baby, some child. But they also cannot allow her to grow into the threat she would become.

And saying it this way was the quickest way to drive home the point to Cloud.