"If I have to tell you what it is, then you don't know that it's right," Batman said. Hence, vague. Forcing Omi would be little better than a reverse brainwashing. What if it didn't stick? What if someone else came along with a better offer?

The window in the room was electronically locked, but with a little bit of--

"Batman, Zero Two," he said crisply. There was a soft buzz of the lock whirring itself free, and the window sliding back.

He took a grappling hook from his belt and laid it on the windowsill.